Home / 3,711.47-5,125.77-2,521.76

Finding the Fourth Proportional to 3,711.47, 5,125.77 and 2,521.76

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Solution

The fourth proportional to 3,711.47, 5,125.77 and 2,521.76 is: 3,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.47 : 5,125.77 = 2,521.76 : x
  2. Step 2: Convert to fraction form
    3,711.47/5,125.77 = 2,521.76/x
  3. Step 3: Cross multiply
    3,711.47x = 5,125.77 × 2,521.76
  4. Step 4: Simplify right side
    3,711.47x = 12,925,961.76
  5. Step 5: Solve for x
    x = 12,925,961.76/3,711.47
  6. Step 6: Final answer
    x = 3,482.71

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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.