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Finding the Fourth Proportional to 1,957.87, 2,701.99 and 1,293.56

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Solution

The fourth proportional to 1,957.87, 2,701.99 and 1,293.56 is: 1,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.87 : 2,701.99 = 1,293.56 : x
  2. Step 2: Convert to fraction form
    1,957.87/2,701.99 = 1,293.56/x
  3. Step 3: Cross multiply
    1,957.87x = 2,701.99 × 1,293.56
  4. Step 4: Simplify right side
    1,957.87x = 3,495,182.95
  5. Step 5: Solve for x
    x = 3,495,182.95/1,957.87
  6. Step 6: Final answer
    x = 1,785.19

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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.