Home / 3,770.18-5,641.90-2,453.12

Finding the Fourth Proportional to 3,770.18, 5,641.90 and 2,453.12

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Solution

The fourth proportional to 3,770.18, 5,641.90 and 2,453.12 is: 3,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.18 : 5,641.90 = 2,453.12 : x
  2. Step 2: Convert to fraction form
    3,770.18/5,641.90 = 2,453.12/x
  3. Step 3: Cross multiply
    3,770.18x = 5,641.90 × 2,453.12
  4. Step 4: Simplify right side
    3,770.18x = 13,840,257.73
  5. Step 5: Solve for x
    x = 13,840,257.73/3,770.18
  6. Step 6: Final answer
    x = 3,670.98

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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.