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Finding the Fourth Proportional to 1,026.83, 1,541.61 and 616.74

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Solution

The fourth proportional to 1,026.83, 1,541.61 and 616.74 is: 925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.83 : 1,541.61 = 616.74 : x
  2. Step 2: Convert to fraction form
    1,026.83/1,541.61 = 616.74/x
  3. Step 3: Cross multiply
    1,026.83x = 1,541.61 × 616.74
  4. Step 4: Simplify right side
    1,026.83x = 950,772.55
  5. Step 5: Solve for x
    x = 950,772.55/1,026.83
  6. Step 6: Final answer
    x = 925.93

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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.