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Finding the Fourth Proportional to 2,470.80, 3,707.28 and 1,010.28

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Solution

The fourth proportional to 2,470.80, 3,707.28 and 1,010.28 is: 1,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.80 : 3,707.28 = 1,010.28 : x
  2. Step 2: Convert to fraction form
    2,470.80/3,707.28 = 1,010.28/x
  3. Step 3: Cross multiply
    2,470.80x = 3,707.28 × 1,010.28
  4. Step 4: Simplify right side
    2,470.80x = 3,745,390.84
  5. Step 5: Solve for x
    x = 3,745,390.84/2,470.80
  6. Step 6: Final answer
    x = 1,515.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.