Home / 3,012.12-4,494.24-2,642.76

Finding the Fourth Proportional to 3,012.12, 4,494.24 and 2,642.76

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Solution

The fourth proportional to 3,012.12, 4,494.24 and 2,642.76 is: 3,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.12 : 4,494.24 = 2,642.76 : x
  2. Step 2: Convert to fraction form
    3,012.12/4,494.24 = 2,642.76/x
  3. Step 3: Cross multiply
    3,012.12x = 4,494.24 × 2,642.76
  4. Step 4: Simplify right side
    3,012.12x = 11,877,197.70
  5. Step 5: Solve for x
    x = 11,877,197.70/3,012.12
  6. Step 6: Final answer
    x = 3,943.14

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Similar ratio
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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.