Home / 2,620.68-3,931.02-1,233.15

Finding the Fourth Proportional to 2,620.68, 3,931.02 and 1,233.15

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Solution

The fourth proportional to 2,620.68, 3,931.02 and 1,233.15 is: 1,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.68 : 3,931.02 = 1,233.15 : x
  2. Step 2: Convert to fraction form
    2,620.68/3,931.02 = 1,233.15/x
  3. Step 3: Cross multiply
    2,620.68x = 3,931.02 × 1,233.15
  4. Step 4: Simplify right side
    2,620.68x = 4,847,537.31
  5. Step 5: Solve for x
    x = 4,847,537.31/2,620.68
  6. Step 6: Final answer
    x = 1,849.73

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Similar ratio
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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.