Home / 3,538.80-5,310.60-2,303.20

Finding the Fourth Proportional to 3,538.80, 5,310.60 and 2,303.20

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Solution

The fourth proportional to 3,538.80, 5,310.60 and 2,303.20 is: 3,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.80 : 5,310.60 = 2,303.20 : x
  2. Step 2: Convert to fraction form
    3,538.80/5,310.60 = 2,303.20/x
  3. Step 3: Cross multiply
    3,538.80x = 5,310.60 × 2,303.20
  4. Step 4: Simplify right side
    3,538.80x = 12,231,373.92
  5. Step 5: Solve for x
    x = 12,231,373.92/3,538.80
  6. Step 6: Final answer
    x = 3,456.36

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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.