Home / 2,115.02-3,170.29-1,017.06

Finding the Fourth Proportional to 2,115.02, 3,170.29 and 1,017.06

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Solution

The fourth proportional to 2,115.02, 3,170.29 and 1,017.06 is: 1,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.02 : 3,170.29 = 1,017.06 : x
  2. Step 2: Convert to fraction form
    2,115.02/3,170.29 = 1,017.06/x
  3. Step 3: Cross multiply
    2,115.02x = 3,170.29 × 1,017.06
  4. Step 4: Simplify right side
    2,115.02x = 3,224,375.15
  5. Step 5: Solve for x
    x = 3,224,375.15/2,115.02
  6. Step 6: Final answer
    x = 1,524.51

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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.