Home / 3,711.76-5,117.16-2,962.96

Finding the Fourth Proportional to 3,711.76, 5,117.16 and 2,962.96

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Solution

The fourth proportional to 3,711.76, 5,117.16 and 2,962.96 is: 4,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.76 : 5,117.16 = 2,962.96 : x
  2. Step 2: Convert to fraction form
    3,711.76/5,117.16 = 2,962.96/x
  3. Step 3: Cross multiply
    3,711.76x = 5,117.16 × 2,962.96
  4. Step 4: Simplify right side
    3,711.76x = 15,161,940.39
  5. Step 5: Solve for x
    x = 15,161,940.39/3,711.76
  6. Step 6: Final answer
    x = 4,084.84

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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.