Home / 1,754.49-2,424.68-1,439.27

Finding the Fourth Proportional to 1,754.49, 2,424.68 and 1,439.27

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Solution

The fourth proportional to 1,754.49, 2,424.68 and 1,439.27 is: 1,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.49 : 2,424.68 = 1,439.27 : x
  2. Step 2: Convert to fraction form
    1,754.49/2,424.68 = 1,439.27/x
  3. Step 3: Cross multiply
    1,754.49x = 2,424.68 × 1,439.27
  4. Step 4: Simplify right side
    1,754.49x = 3,489,749.86
  5. Step 5: Solve for x
    x = 3,489,749.86/1,754.49
  6. Step 6: Final answer
    x = 1,989.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.