Home / 3,445.12-5,166.96-1,800.82

Finding the Fourth Proportional to 3,445.12, 5,166.96 and 1,800.82

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Solution

The fourth proportional to 3,445.12, 5,166.96 and 1,800.82 is: 2,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.12 : 5,166.96 = 1,800.82 : x
  2. Step 2: Convert to fraction form
    3,445.12/5,166.96 = 1,800.82/x
  3. Step 3: Cross multiply
    3,445.12x = 5,166.96 × 1,800.82
  4. Step 4: Simplify right side
    3,445.12x = 9,304,764.91
  5. Step 5: Solve for x
    x = 9,304,764.91/3,445.12
  6. Step 6: Final answer
    x = 2,700.85

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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.