Home / 3,462.18-5,187.90-2,290.92

Finding the Fourth Proportional to 3,462.18, 5,187.90 and 2,290.92

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Solution

The fourth proportional to 3,462.18, 5,187.90 and 2,290.92 is: 3,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.18 : 5,187.90 = 2,290.92 : x
  2. Step 2: Convert to fraction form
    3,462.18/5,187.90 = 2,290.92/x
  3. Step 3: Cross multiply
    3,462.18x = 5,187.90 × 2,290.92
  4. Step 4: Simplify right side
    3,462.18x = 11,885,063.87
  5. Step 5: Solve for x
    x = 11,885,063.87/3,462.18
  6. Step 6: Final answer
    x = 3,432.83

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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.