Home / 4,085.24-6,127.92-2,141.24

Finding the Fourth Proportional to 4,085.24, 6,127.92 and 2,141.24

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Solution

The fourth proportional to 4,085.24, 6,127.92 and 2,141.24 is: 3,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.24 : 6,127.92 = 2,141.24 : x
  2. Step 2: Convert to fraction form
    4,085.24/6,127.92 = 2,141.24/x
  3. Step 3: Cross multiply
    4,085.24x = 6,127.92 × 2,141.24
  4. Step 4: Simplify right side
    4,085.24x = 13,121,347.42
  5. Step 5: Solve for x
    x = 13,121,347.42/4,085.24
  6. Step 6: Final answer
    x = 3,211.89

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Half scale
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Double scale
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1.5x scale

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.