Home / 2,472.50-3,709.61-1,239.63

Finding the Fourth Proportional to 2,472.50, 3,709.61 and 1,239.63

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Solution

The fourth proportional to 2,472.50, 3,709.61 and 1,239.63 is: 1,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.50 : 3,709.61 = 1,239.63 : x
  2. Step 2: Convert to fraction form
    2,472.50/3,709.61 = 1,239.63/x
  3. Step 3: Cross multiply
    2,472.50x = 3,709.61 × 1,239.63
  4. Step 4: Simplify right side
    2,472.50x = 4,598,543.84
  5. Step 5: Solve for x
    x = 4,598,543.84/2,472.50
  6. Step 6: Final answer
    x = 1,859.88

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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.