Home / 3,117.68-4,676.28-1,471.76

Finding the Fourth Proportional to 3,117.68, 4,676.28 and 1,471.76

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Solution

The fourth proportional to 3,117.68, 4,676.28 and 1,471.76 is: 2,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.68 : 4,676.28 = 1,471.76 : x
  2. Step 2: Convert to fraction form
    3,117.68/4,676.28 = 1,471.76/x
  3. Step 3: Cross multiply
    3,117.68x = 4,676.28 × 1,471.76
  4. Step 4: Simplify right side
    3,117.68x = 6,882,361.85
  5. Step 5: Solve for x
    x = 6,882,361.85/3,117.68
  6. Step 6: Final answer
    x = 2,207.53

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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.