Home / 3,437.12-5,143.35-2,976.47

Finding the Fourth Proportional to 3,437.12, 5,143.35 and 2,976.47

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Solution

The fourth proportional to 3,437.12, 5,143.35 and 2,976.47 is: 4,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.12 : 5,143.35 = 2,976.47 : x
  2. Step 2: Convert to fraction form
    3,437.12/5,143.35 = 2,976.47/x
  3. Step 3: Cross multiply
    3,437.12x = 5,143.35 × 2,976.47
  4. Step 4: Simplify right side
    3,437.12x = 15,309,026.97
  5. Step 5: Solve for x
    x = 15,309,026.97/3,437.12
  6. Step 6: Final answer
    x = 4,454.03

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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.