Home / 2,430.19-3,353.29-1,382.23

Finding the Fourth Proportional to 2,430.19, 3,353.29 and 1,382.23

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Solution

The fourth proportional to 2,430.19, 3,353.29 and 1,382.23 is: 1,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.19 : 3,353.29 = 1,382.23 : x
  2. Step 2: Convert to fraction form
    2,430.19/3,353.29 = 1,382.23/x
  3. Step 3: Cross multiply
    2,430.19x = 3,353.29 × 1,382.23
  4. Step 4: Simplify right side
    2,430.19x = 4,635,018.04
  5. Step 5: Solve for x
    x = 4,635,018.04/2,430.19
  6. Step 6: Final answer
    x = 1,907.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,431.19, 3,354.67 and 1,383.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.