Home / 2,805.16-4,207.76-1,160.82

Finding the Fourth Proportional to 2,805.16, 4,207.76 and 1,160.82

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Solution

The fourth proportional to 2,805.16, 4,207.76 and 1,160.82 is: 1,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.16 : 4,207.76 = 1,160.82 : x
  2. Step 2: Convert to fraction form
    2,805.16/4,207.76 = 1,160.82/x
  3. Step 3: Cross multiply
    2,805.16x = 4,207.76 × 1,160.82
  4. Step 4: Simplify right side
    2,805.16x = 4,884,451.96
  5. Step 5: Solve for x
    x = 4,884,451.96/2,805.16
  6. Step 6: Final answer
    x = 1,741.24

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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.