Home / 3,451.55-5,175.25-1,551.53

Finding the Fourth Proportional to 3,451.55, 5,175.25 and 1,551.53

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Solution

The fourth proportional to 3,451.55, 5,175.25 and 1,551.53 is: 2,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.55 : 5,175.25 = 1,551.53 : x
  2. Step 2: Convert to fraction form
    3,451.55/5,175.25 = 1,551.53/x
  3. Step 3: Cross multiply
    3,451.55x = 5,175.25 × 1,551.53
  4. Step 4: Simplify right side
    3,451.55x = 8,029,534.60
  5. Step 5: Solve for x
    x = 8,029,534.60/3,451.55
  6. Step 6: Final answer
    x = 2,326.35

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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.