Home / 2,927.91-4,373.19-2,649.85

Finding the Fourth Proportional to 2,927.91, 4,373.19 and 2,649.85

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Solution

The fourth proportional to 2,927.91, 4,373.19 and 2,649.85 is: 3,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.91 : 4,373.19 = 2,649.85 : x
  2. Step 2: Convert to fraction form
    2,927.91/4,373.19 = 2,649.85/x
  3. Step 3: Cross multiply
    2,927.91x = 4,373.19 × 2,649.85
  4. Step 4: Simplify right side
    2,927.91x = 11,588,286.59
  5. Step 5: Solve for x
    x = 11,588,286.59/2,927.91
  6. Step 6: Final answer
    x = 3,957.86

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1.5x scale

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.