Home / 1,931.09-2,882.50-1,658.93

Finding the Fourth Proportional to 1,931.09, 2,882.50 and 1,658.93

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Solution

The fourth proportional to 1,931.09, 2,882.50 and 1,658.93 is: 2,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.09 : 2,882.50 = 1,658.93 : x
  2. Step 2: Convert to fraction form
    1,931.09/2,882.50 = 1,658.93/x
  3. Step 3: Cross multiply
    1,931.09x = 2,882.50 × 1,658.93
  4. Step 4: Simplify right side
    1,931.09x = 4,781,865.73
  5. Step 5: Solve for x
    x = 4,781,865.73/1,931.09
  6. Step 6: Final answer
    x = 2,476.25

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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.