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Finding the Fourth Proportional to 3,519.90, 5,304.06 and 2,917.17

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Solution

The fourth proportional to 3,519.90, 5,304.06 and 2,917.17 is: 4,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.90 : 5,304.06 = 2,917.17 : x
  2. Step 2: Convert to fraction form
    3,519.90/5,304.06 = 2,917.17/x
  3. Step 3: Cross multiply
    3,519.90x = 5,304.06 × 2,917.17
  4. Step 4: Simplify right side
    3,519.90x = 15,472,844.71
  5. Step 5: Solve for x
    x = 15,472,844.71/3,519.90
  6. Step 6: Final answer
    x = 4,395.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.