Home / 1,957.11-2,700.93-1,292.79

Finding the Fourth Proportional to 1,957.11, 2,700.93 and 1,292.79

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Solution

The fourth proportional to 1,957.11, 2,700.93 and 1,292.79 is: 1,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.11 : 2,700.93 = 1,292.79 : x
  2. Step 2: Convert to fraction form
    1,957.11/2,700.93 = 1,292.79/x
  3. Step 3: Cross multiply
    1,957.11x = 2,700.93 × 1,292.79
  4. Step 4: Simplify right side
    1,957.11x = 3,491,735.29
  5. Step 5: Solve for x
    x = 3,491,735.29/1,957.11
  6. Step 6: Final answer
    x = 1,784.13

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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.