Home / 2,430.13-3,353.55-1,382.19

Finding the Fourth Proportional to 2,430.13, 3,353.55 and 1,382.19

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Solution

The fourth proportional to 2,430.13, 3,353.55 and 1,382.19 is: 1,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.13 : 3,353.55 = 1,382.19 : x
  2. Step 2: Convert to fraction form
    2,430.13/3,353.55 = 1,382.19/x
  3. Step 3: Cross multiply
    2,430.13x = 3,353.55 × 1,382.19
  4. Step 4: Simplify right side
    2,430.13x = 4,635,243.27
  5. Step 5: Solve for x
    x = 4,635,243.27/2,430.13
  6. Step 6: Final answer
    x = 1,907.41

Related Problems

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Half scale
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Double scale
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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.