Home / 1,470.38-2,027.16-1,259.66

Finding the Fourth Proportional to 1,470.38, 2,027.16 and 1,259.66

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Solution

The fourth proportional to 1,470.38, 2,027.16 and 1,259.66 is: 1,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.38 : 2,027.16 = 1,259.66 : x
  2. Step 2: Convert to fraction form
    1,470.38/2,027.16 = 1,259.66/x
  3. Step 3: Cross multiply
    1,470.38x = 2,027.16 × 1,259.66
  4. Step 4: Simplify right side
    1,470.38x = 2,553,526.95
  5. Step 5: Solve for x
    x = 2,553,526.95/1,470.38
  6. Step 6: Final answer
    x = 1,736.64

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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.