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Finding the Fourth Proportional to 1,957.66, 2,701.23 and 1,294.17

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Solution

The fourth proportional to 1,957.66, 2,701.23 and 1,294.17 is: 1,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.66 : 2,701.23 = 1,294.17 : x
  2. Step 2: Convert to fraction form
    1,957.66/2,701.23 = 1,294.17/x
  3. Step 3: Cross multiply
    1,957.66x = 2,701.23 × 1,294.17
  4. Step 4: Simplify right side
    1,957.66x = 3,495,850.83
  5. Step 5: Solve for x
    x = 3,495,850.83/1,957.66
  6. Step 6: Final answer
    x = 1,785.73

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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.