Home / 3,630.70-5,440.29-2,331.10

Finding the Fourth Proportional to 3,630.70, 5,440.29 and 2,331.10

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Solution

The fourth proportional to 3,630.70, 5,440.29 and 2,331.10 is: 3,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.70 : 5,440.29 = 2,331.10 : x
  2. Step 2: Convert to fraction form
    3,630.70/5,440.29 = 2,331.10/x
  3. Step 3: Cross multiply
    3,630.70x = 5,440.29 × 2,331.10
  4. Step 4: Simplify right side
    3,630.70x = 12,681,860.02
  5. Step 5: Solve for x
    x = 12,681,860.02/3,630.70
  6. Step 6: Final answer
    x = 3,492.95

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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.