Home / 1,931.88-2,897.82-1,167.24

Finding the Fourth Proportional to 1,931.88, 2,897.82 and 1,167.24

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Solution

The fourth proportional to 1,931.88, 2,897.82 and 1,167.24 is: 1,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.88 : 2,897.82 = 1,167.24 : x
  2. Step 2: Convert to fraction form
    1,931.88/2,897.82 = 1,167.24/x
  3. Step 3: Cross multiply
    1,931.88x = 2,897.82 × 1,167.24
  4. Step 4: Simplify right side
    1,931.88x = 3,382,451.42
  5. Step 5: Solve for x
    x = 3,382,451.42/1,931.88
  6. Step 6: Final answer
    x = 1,750.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.