Home / 3,437.29-5,147.20-2,880.53

Finding the Fourth Proportional to 3,437.29, 5,147.20 and 2,880.53

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Solution

The fourth proportional to 3,437.29, 5,147.20 and 2,880.53 is: 4,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.29 : 5,147.20 = 2,880.53 : x
  2. Step 2: Convert to fraction form
    3,437.29/5,147.20 = 2,880.53/x
  3. Step 3: Cross multiply
    3,437.29x = 5,147.20 × 2,880.53
  4. Step 4: Simplify right side
    3,437.29x = 14,826,664.02
  5. Step 5: Solve for x
    x = 14,826,664.02/3,437.29
  6. Step 6: Final answer
    x = 4,313.47

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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.