Home / 3,080.40-4,620.87-1,132.62

Finding the Fourth Proportional to 3,080.40, 4,620.87 and 1,132.62

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Solution

The fourth proportional to 3,080.40, 4,620.87 and 1,132.62 is: 1,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.40 : 4,620.87 = 1,132.62 : x
  2. Step 2: Convert to fraction form
    3,080.40/4,620.87 = 1,132.62/x
  3. Step 3: Cross multiply
    3,080.40x = 4,620.87 × 1,132.62
  4. Step 4: Simplify right side
    3,080.40x = 5,233,689.78
  5. Step 5: Solve for x
    x = 5,233,689.78/3,080.40
  6. Step 6: Final answer
    x = 1,699.03

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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.