Home / 3,755.50-5,181.51-2,339.40

Finding the Fourth Proportional to 3,755.50, 5,181.51 and 2,339.40

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Solution

The fourth proportional to 3,755.50, 5,181.51 and 2,339.40 is: 3,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.50 : 5,181.51 = 2,339.40 : x
  2. Step 2: Convert to fraction form
    3,755.50/5,181.51 = 2,339.40/x
  3. Step 3: Cross multiply
    3,755.50x = 5,181.51 × 2,339.40
  4. Step 4: Simplify right side
    3,755.50x = 12,121,624.49
  5. Step 5: Solve for x
    x = 12,121,624.49/3,755.50
  6. Step 6: Final answer
    x = 3,227.70

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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.