Home / 3,630.12-5,436.66-1,775.42

Finding the Fourth Proportional to 3,630.12, 5,436.66 and 1,775.42

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Solution

The fourth proportional to 3,630.12, 5,436.66 and 1,775.42 is: 2,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.12 : 5,436.66 = 1,775.42 : x
  2. Step 2: Convert to fraction form
    3,630.12/5,436.66 = 1,775.42/x
  3. Step 3: Cross multiply
    3,630.12x = 5,436.66 × 1,775.42
  4. Step 4: Simplify right side
    3,630.12x = 9,652,354.90
  5. Step 5: Solve for x
    x = 9,652,354.90/3,630.12
  6. Step 6: Final answer
    x = 2,658.96

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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.