Home / 4,160.61-5,742.56-2,647.85

Finding the Fourth Proportional to 4,160.61, 5,742.56 and 2,647.85

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Solution

The fourth proportional to 4,160.61, 5,742.56 and 2,647.85 is: 3,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.61 : 5,742.56 = 2,647.85 : x
  2. Step 2: Convert to fraction form
    4,160.61/5,742.56 = 2,647.85/x
  3. Step 3: Cross multiply
    4,160.61x = 5,742.56 × 2,647.85
  4. Step 4: Simplify right side
    4,160.61x = 15,205,395.54
  5. Step 5: Solve for x
    x = 15,205,395.54/4,160.61
  6. Step 6: Final answer
    x = 3,654.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.