Home / 2,115.10-3,170.85-1,496.86

Finding the Fourth Proportional to 2,115.10, 3,170.85 and 1,496.86

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Solution

The fourth proportional to 2,115.10, 3,170.85 and 1,496.86 is: 2,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.10 : 3,170.85 = 1,496.86 : x
  2. Step 2: Convert to fraction form
    2,115.10/3,170.85 = 1,496.86/x
  3. Step 3: Cross multiply
    2,115.10x = 3,170.85 × 1,496.86
  4. Step 4: Simplify right side
    2,115.10x = 4,746,318.53
  5. Step 5: Solve for x
    x = 4,746,318.53/2,115.10
  6. Step 6: Final answer
    x = 2,244.02

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1.5x scale

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.