Home / 2,175.12-3,247.29-1,847.16

Finding the Fourth Proportional to 2,175.12, 3,247.29 and 1,847.16

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Solution

The fourth proportional to 2,175.12, 3,247.29 and 1,847.16 is: 2,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.12 : 3,247.29 = 1,847.16 : x
  2. Step 2: Convert to fraction form
    2,175.12/3,247.29 = 1,847.16/x
  3. Step 3: Cross multiply
    2,175.12x = 3,247.29 × 1,847.16
  4. Step 4: Simplify right side
    2,175.12x = 5,998,264.20
  5. Step 5: Solve for x
    x = 5,998,264.20/2,175.12
  6. Step 6: Final answer
    x = 2,757.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.