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Finding the Fourth Proportional to 3,007.57, 4,512.27 and 1,363.68

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Solution

The fourth proportional to 3,007.57, 4,512.27 and 1,363.68 is: 2,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.57 : 4,512.27 = 1,363.68 : x
  2. Step 2: Convert to fraction form
    3,007.57/4,512.27 = 1,363.68/x
  3. Step 3: Cross multiply
    3,007.57x = 4,512.27 × 1,363.68
  4. Step 4: Simplify right side
    3,007.57x = 6,153,275.43
  5. Step 5: Solve for x
    x = 6,153,275.43/3,007.57
  6. Step 6: Final answer
    x = 2,045.93

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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.