Home / 1,957.14-2,701.08-1,117.98

Finding the Fourth Proportional to 1,957.14, 2,701.08 and 1,117.98

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Solution

The fourth proportional to 1,957.14, 2,701.08 and 1,117.98 is: 1,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.14 : 2,701.08 = 1,117.98 : x
  2. Step 2: Convert to fraction form
    1,957.14/2,701.08 = 1,117.98/x
  3. Step 3: Cross multiply
    1,957.14x = 2,701.08 × 1,117.98
  4. Step 4: Simplify right side
    1,957.14x = 3,019,753.42
  5. Step 5: Solve for x
    x = 3,019,753.42/1,957.14
  6. Step 6: Final answer
    x = 1,542.94

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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.