Home / 4,172.90-5,760.69-2,601.86

Finding the Fourth Proportional to 4,172.90, 5,760.69 and 2,601.86

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Solution

The fourth proportional to 4,172.90, 5,760.69 and 2,601.86 is: 3,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.90 : 5,760.69 = 2,601.86 : x
  2. Step 2: Convert to fraction form
    4,172.90/5,760.69 = 2,601.86/x
  3. Step 3: Cross multiply
    4,172.90x = 5,760.69 × 2,601.86
  4. Step 4: Simplify right side
    4,172.90x = 14,988,508.88
  5. Step 5: Solve for x
    x = 14,988,508.88/4,172.90
  6. Step 6: Final answer
    x = 3,591.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.