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Finding the Fourth Proportional to 3,236.80, 4,830.40 and 2,502.40

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Solution

The fourth proportional to 3,236.80, 4,830.40 and 2,502.40 is: 3,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.80 : 4,830.40 = 2,502.40 : x
  2. Step 2: Convert to fraction form
    3,236.80/4,830.40 = 2,502.40/x
  3. Step 3: Cross multiply
    3,236.80x = 4,830.40 × 2,502.40
  4. Step 4: Simplify right side
    3,236.80x = 12,087,592.96
  5. Step 5: Solve for x
    x = 12,087,592.96/3,236.80
  6. Step 6: Final answer
    x = 3,734.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.