Home / 2,481.63-3,711.68-1,439.10

Finding the Fourth Proportional to 2,481.63, 3,711.68 and 1,439.10

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Solution

The fourth proportional to 2,481.63, 3,711.68 and 1,439.10 is: 2,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.63 : 3,711.68 = 1,439.10 : x
  2. Step 2: Convert to fraction form
    2,481.63/3,711.68 = 1,439.10/x
  3. Step 3: Cross multiply
    2,481.63x = 3,711.68 × 1,439.10
  4. Step 4: Simplify right side
    2,481.63x = 5,341,478.69
  5. Step 5: Solve for x
    x = 5,341,478.69/2,481.63
  6. Step 6: Final answer
    x = 2,152.41

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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.