Home / 2,517.12-3,465-2,183.58

Finding the Fourth Proportional to 2,517.12, 3,465 and 2,183.58

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Solution

The fourth proportional to 2,517.12, 3,465 and 2,183.58 is: 3,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.12 : 3,465 = 2,183.58 : x
  2. Step 2: Convert to fraction form
    2,517.12/3,465 = 2,183.58/x
  3. Step 3: Cross multiply
    2,517.12x = 3,465 × 2,183.58
  4. Step 4: Simplify right side
    2,517.12x = 7,566,104.70
  5. Step 5: Solve for x
    x = 7,566,104.70/2,517.12
  6. Step 6: Final answer
    x = 3,005.86

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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.