Home / 1,470.10-2,027.07-938.27

Finding the Fourth Proportional to 1,470.10, 2,027.07 and 938.27

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Solution

The fourth proportional to 1,470.10, 2,027.07 and 938.27 is: 1,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.10 : 2,027.07 = 938.27 : x
  2. Step 2: Convert to fraction form
    1,470.10/2,027.07 = 938.27/x
  3. Step 3: Cross multiply
    1,470.10x = 2,027.07 × 938.27
  4. Step 4: Simplify right side
    1,470.10x = 1,901,938.97
  5. Step 5: Solve for x
    x = 1,901,938.97/1,470.10
  6. Step 6: Final answer
    x = 1,293.75

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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.