Home / 2,430.18-3,353.49-1,382.22

Finding the Fourth Proportional to 2,430.18, 3,353.49 and 1,382.22

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Solution

The fourth proportional to 2,430.18, 3,353.49 and 1,382.22 is: 1,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.18 : 3,353.49 = 1,382.22 : x
  2. Step 2: Convert to fraction form
    2,430.18/3,353.49 = 1,382.22/x
  3. Step 3: Cross multiply
    2,430.18x = 3,353.49 × 1,382.22
  4. Step 4: Simplify right side
    2,430.18x = 4,635,260.95
  5. Step 5: Solve for x
    x = 4,635,260.95/2,430.18
  6. Step 6: Final answer
    x = 1,907.37

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Half scale
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Double scale
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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.