Home / 2,514.15-3,472.91-1,931.96

Finding the Fourth Proportional to 2,514.15, 3,472.91 and 1,931.96

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Solution

The fourth proportional to 2,514.15, 3,472.91 and 1,931.96 is: 2,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.15 : 3,472.91 = 1,931.96 : x
  2. Step 2: Convert to fraction form
    2,514.15/3,472.91 = 1,931.96/x
  3. Step 3: Cross multiply
    2,514.15x = 3,472.91 × 1,931.96
  4. Step 4: Simplify right side
    2,514.15x = 6,709,529.47
  5. Step 5: Solve for x
    x = 6,709,529.47/2,514.15
  6. Step 6: Final answer
    x = 2,668.71

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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.