Home / 3,770.40-5,207.22-2,940.96

Finding the Fourth Proportional to 3,770.40, 5,207.22 and 2,940.96

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Solution

The fourth proportional to 3,770.40, 5,207.22 and 2,940.96 is: 4,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.40 : 5,207.22 = 2,940.96 : x
  2. Step 2: Convert to fraction form
    3,770.40/5,207.22 = 2,940.96/x
  3. Step 3: Cross multiply
    3,770.40x = 5,207.22 × 2,940.96
  4. Step 4: Simplify right side
    3,770.40x = 15,314,225.73
  5. Step 5: Solve for x
    x = 15,314,225.73/3,770.40
  6. Step 6: Final answer
    x = 4,061.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.