Home / 1,150.44-1,577.28-1,129.70

Finding the Fourth Proportional to 1,150.44, 1,577.28 and 1,129.70

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Solution

The fourth proportional to 1,150.44, 1,577.28 and 1,129.70 is: 1,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.44 : 1,577.28 = 1,129.70 : x
  2. Step 2: Convert to fraction form
    1,150.44/1,577.28 = 1,129.70/x
  3. Step 3: Cross multiply
    1,150.44x = 1,577.28 × 1,129.70
  4. Step 4: Simplify right side
    1,150.44x = 1,781,849.35
  5. Step 5: Solve for x
    x = 1,781,849.35/1,150.44
  6. Step 6: Final answer
    x = 1,548.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.