Home / 1,094.12-1,641.66-581.16

Finding the Fourth Proportional to 1,094.12, 1,641.66 and 581.16

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Solution

The fourth proportional to 1,094.12, 1,641.66 and 581.16 is: 871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.12 : 1,641.66 = 581.16 : x
  2. Step 2: Convert to fraction form
    1,094.12/1,641.66 = 581.16/x
  3. Step 3: Cross multiply
    1,094.12x = 1,641.66 × 581.16
  4. Step 4: Simplify right side
    1,094.12x = 954,067.13
  5. Step 5: Solve for x
    x = 954,067.13/1,094.12
  6. Step 6: Final answer
    x = 871.99

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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.