Home / 3,688.68-5,538.56-2,310.76

Finding the Fourth Proportional to 3,688.68, 5,538.56 and 2,310.76

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Solution

The fourth proportional to 3,688.68, 5,538.56 and 2,310.76 is: 3,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.68 : 5,538.56 = 2,310.76 : x
  2. Step 2: Convert to fraction form
    3,688.68/5,538.56 = 2,310.76/x
  3. Step 3: Cross multiply
    3,688.68x = 5,538.56 × 2,310.76
  4. Step 4: Simplify right side
    3,688.68x = 12,798,282.91
  5. Step 5: Solve for x
    x = 12,798,282.91/3,688.68
  6. Step 6: Final answer
    x = 3,469.61

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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.