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Finding the Fourth Proportional to 2,797.97, 3,854.52 and 1,957.10

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Solution

The fourth proportional to 2,797.97, 3,854.52 and 1,957.10 is: 2,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.97 : 3,854.52 = 1,957.10 : x
  2. Step 2: Convert to fraction form
    2,797.97/3,854.52 = 1,957.10/x
  3. Step 3: Cross multiply
    2,797.97x = 3,854.52 × 1,957.10
  4. Step 4: Simplify right side
    2,797.97x = 7,543,681.09
  5. Step 5: Solve for x
    x = 7,543,681.09/2,797.97
  6. Step 6: Final answer
    x = 2,696.13

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1.5x scale

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.