Home / 3,731.68-5,152.11-2,316.85

Finding the Fourth Proportional to 3,731.68, 5,152.11 and 2,316.85

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Solution

The fourth proportional to 3,731.68, 5,152.11 and 2,316.85 is: 3,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.68 : 5,152.11 = 2,316.85 : x
  2. Step 2: Convert to fraction form
    3,731.68/5,152.11 = 2,316.85/x
  3. Step 3: Cross multiply
    3,731.68x = 5,152.11 × 2,316.85
  4. Step 4: Simplify right side
    3,731.68x = 11,936,666.05
  5. Step 5: Solve for x
    x = 11,936,666.05/3,731.68
  6. Step 6: Final answer
    x = 3,198.74

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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.