Home / 2,680.38-4,020.87-2,404.77

Finding the Fourth Proportional to 2,680.38, 4,020.87 and 2,404.77

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Solution

The fourth proportional to 2,680.38, 4,020.87 and 2,404.77 is: 3,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.38 : 4,020.87 = 2,404.77 : x
  2. Step 2: Convert to fraction form
    2,680.38/4,020.87 = 2,404.77/x
  3. Step 3: Cross multiply
    2,680.38x = 4,020.87 × 2,404.77
  4. Step 4: Simplify right side
    2,680.38x = 9,669,267.55
  5. Step 5: Solve for x
    x = 9,669,267.55/2,680.38
  6. Step 6: Final answer
    x = 3,607.42

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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.