Home / 1,448.52-2,170.78-926.88

Finding the Fourth Proportional to 1,448.52, 2,170.78 and 926.88

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Solution

The fourth proportional to 1,448.52, 2,170.78 and 926.88 is: 1,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.52 : 2,170.78 = 926.88 : x
  2. Step 2: Convert to fraction form
    1,448.52/2,170.78 = 926.88/x
  3. Step 3: Cross multiply
    1,448.52x = 2,170.78 × 926.88
  4. Step 4: Simplify right side
    1,448.52x = 2,012,052.57
  5. Step 5: Solve for x
    x = 2,012,052.57/1,448.52
  6. Step 6: Final answer
    x = 1,389.04

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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.