Home / 3,647.09-5,471.50-1,181.91

Finding the Fourth Proportional to 3,647.09, 5,471.50 and 1,181.91

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Solution

The fourth proportional to 3,647.09, 5,471.50 and 1,181.91 is: 1,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.09 : 5,471.50 = 1,181.91 : x
  2. Step 2: Convert to fraction form
    3,647.09/5,471.50 = 1,181.91/x
  3. Step 3: Cross multiply
    3,647.09x = 5,471.50 × 1,181.91
  4. Step 4: Simplify right side
    3,647.09x = 6,466,820.57
  5. Step 5: Solve for x
    x = 6,466,820.57/3,647.09
  6. Step 6: Final answer
    x = 1,773.15

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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.