Home / 1,649.13-2,472.24-826.23

Finding the Fourth Proportional to 1,649.13, 2,472.24 and 826.23

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Solution

The fourth proportional to 1,649.13, 2,472.24 and 826.23 is: 1,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.13 : 2,472.24 = 826.23 : x
  2. Step 2: Convert to fraction form
    1,649.13/2,472.24 = 826.23/x
  3. Step 3: Cross multiply
    1,649.13x = 2,472.24 × 826.23
  4. Step 4: Simplify right side
    1,649.13x = 2,042,638.86
  5. Step 5: Solve for x
    x = 2,042,638.86/1,649.13
  6. Step 6: Final answer
    x = 1,238.62

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1.5x scale

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.