Home / 1,649.43-2,473.27-723.92

Finding the Fourth Proportional to 1,649.43, 2,473.27 and 723.92

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Solution

The fourth proportional to 1,649.43, 2,473.27 and 723.92 is: 1,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.43 : 2,473.27 = 723.92 : x
  2. Step 2: Convert to fraction form
    1,649.43/2,473.27 = 723.92/x
  3. Step 3: Cross multiply
    1,649.43x = 2,473.27 × 723.92
  4. Step 4: Simplify right side
    1,649.43x = 1,790,435.44
  5. Step 5: Solve for x
    x = 1,790,435.44/1,649.43
  6. Step 6: Final answer
    x = 1,085.49

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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.