Home / 3,459.25-5,191.59-1,512.82

Finding the Fourth Proportional to 3,459.25, 5,191.59 and 1,512.82

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Solution

The fourth proportional to 3,459.25, 5,191.59 and 1,512.82 is: 2,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.25 : 5,191.59 = 1,512.82 : x
  2. Step 2: Convert to fraction form
    3,459.25/5,191.59 = 1,512.82/x
  3. Step 3: Cross multiply
    3,459.25x = 5,191.59 × 1,512.82
  4. Step 4: Simplify right side
    3,459.25x = 7,853,941.18
  5. Step 5: Solve for x
    x = 7,853,941.18/3,459.25
  6. Step 6: Final answer
    x = 2,270.42

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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.