Home / 3,739.20-5,600.70-2,281.20

Finding the Fourth Proportional to 3,739.20, 5,600.70 and 2,281.20

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Solution

The fourth proportional to 3,739.20, 5,600.70 and 2,281.20 is: 3,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.20 : 5,600.70 = 2,281.20 : x
  2. Step 2: Convert to fraction form
    3,739.20/5,600.70 = 2,281.20/x
  3. Step 3: Cross multiply
    3,739.20x = 5,600.70 × 2,281.20
  4. Step 4: Simplify right side
    3,739.20x = 12,776,316.84
  5. Step 5: Solve for x
    x = 12,776,316.84/3,739.20
  6. Step 6: Final answer
    x = 3,416.86

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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.