Home / 3,437.28-4,743.36-1,945.17

Finding the Fourth Proportional to 3,437.28, 4,743.36 and 1,945.17

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Solution

The fourth proportional to 3,437.28, 4,743.36 and 1,945.17 is: 2,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.28 : 4,743.36 = 1,945.17 : x
  2. Step 2: Convert to fraction form
    3,437.28/4,743.36 = 1,945.17/x
  3. Step 3: Cross multiply
    3,437.28x = 4,743.36 × 1,945.17
  4. Step 4: Simplify right side
    3,437.28x = 9,226,641.57
  5. Step 5: Solve for x
    x = 9,226,641.57/3,437.28
  6. Step 6: Final answer
    x = 2,684.29

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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.