Home / 1,350.12-2,025.72-581.16

Finding the Fourth Proportional to 1,350.12, 2,025.72 and 581.16

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Solution

The fourth proportional to 1,350.12, 2,025.72 and 581.16 is: 871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.12 : 2,025.72 = 581.16 : x
  2. Step 2: Convert to fraction form
    1,350.12/2,025.72 = 581.16/x
  3. Step 3: Cross multiply
    1,350.12x = 2,025.72 × 581.16
  4. Step 4: Simplify right side
    1,350.12x = 1,177,267.44
  5. Step 5: Solve for x
    x = 1,177,267.44/1,350.12
  6. Step 6: Final answer
    x = 871.97

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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.