Home / 3,547.77-5,321.19-1,082.85

Finding the Fourth Proportional to 3,547.77, 5,321.19 and 1,082.85

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Solution

The fourth proportional to 3,547.77, 5,321.19 and 1,082.85 is: 1,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.77 : 5,321.19 = 1,082.85 : x
  2. Step 2: Convert to fraction form
    3,547.77/5,321.19 = 1,082.85/x
  3. Step 3: Cross multiply
    3,547.77x = 5,321.19 × 1,082.85
  4. Step 4: Simplify right side
    3,547.77x = 5,762,050.59
  5. Step 5: Solve for x
    x = 5,762,050.59/3,547.77
  6. Step 6: Final answer
    x = 1,624.13

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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.