Home / 1,332.27-1,985.01-1,257.75

Finding the Fourth Proportional to 1,332.27, 1,985.01 and 1,257.75

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Solution

The fourth proportional to 1,332.27, 1,985.01 and 1,257.75 is: 1,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.27 : 1,985.01 = 1,257.75 : x
  2. Step 2: Convert to fraction form
    1,332.27/1,985.01 = 1,257.75/x
  3. Step 3: Cross multiply
    1,332.27x = 1,985.01 × 1,257.75
  4. Step 4: Simplify right side
    1,332.27x = 2,496,646.33
  5. Step 5: Solve for x
    x = 2,496,646.33/1,332.27
  6. Step 6: Final answer
    x = 1,873.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.