Home / 3,717.98-5,575.20-2,158.46

Finding the Fourth Proportional to 3,717.98, 5,575.20 and 2,158.46

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Solution

The fourth proportional to 3,717.98, 5,575.20 and 2,158.46 is: 3,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.98 : 5,575.20 = 2,158.46 : x
  2. Step 2: Convert to fraction form
    3,717.98/5,575.20 = 2,158.46/x
  3. Step 3: Cross multiply
    3,717.98x = 5,575.20 × 2,158.46
  4. Step 4: Simplify right side
    3,717.98x = 12,033,820.68
  5. Step 5: Solve for x
    x = 12,033,820.68/3,717.98
  6. Step 6: Final answer
    x = 3,236.66

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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.