Home / 1,363.56-2,042.48-1,131.92

Finding the Fourth Proportional to 1,363.56, 2,042.48 and 1,131.92

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Solution

The fourth proportional to 1,363.56, 2,042.48 and 1,131.92 is: 1,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.56 : 2,042.48 = 1,131.92 : x
  2. Step 2: Convert to fraction form
    1,363.56/2,042.48 = 1,131.92/x
  3. Step 3: Cross multiply
    1,363.56x = 2,042.48 × 1,131.92
  4. Step 4: Simplify right side
    1,363.56x = 2,311,923.96
  5. Step 5: Solve for x
    x = 2,311,923.96/1,363.56
  6. Step 6: Final answer
    x = 1,695.51

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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.