Home / 1,505.06-2,251.92-889.10

Finding the Fourth Proportional to 1,505.06, 2,251.92 and 889.10

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Solution

The fourth proportional to 1,505.06, 2,251.92 and 889.10 is: 1,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.06 : 2,251.92 = 889.10 : x
  2. Step 2: Convert to fraction form
    1,505.06/2,251.92 = 889.10/x
  3. Step 3: Cross multiply
    1,505.06x = 2,251.92 × 889.10
  4. Step 4: Simplify right side
    1,505.06x = 2,002,182.07
  5. Step 5: Solve for x
    x = 2,002,182.07/1,505.06
  6. Step 6: Final answer
    x = 1,330.30

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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.