Home / 3,449.55-5,175.72-1,887.66

Finding the Fourth Proportional to 3,449.55, 5,175.72 and 1,887.66

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Solution

The fourth proportional to 3,449.55, 5,175.72 and 1,887.66 is: 2,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.55 : 5,175.72 = 1,887.66 : x
  2. Step 2: Convert to fraction form
    3,449.55/5,175.72 = 1,887.66/x
  3. Step 3: Cross multiply
    3,449.55x = 5,175.72 × 1,887.66
  4. Step 4: Simplify right side
    3,449.55x = 9,769,999.62
  5. Step 5: Solve for x
    x = 9,769,999.62/3,449.55
  6. Step 6: Final answer
    x = 2,832.25

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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.