Home / 3,460.20-5,191.92-1,512.15

Finding the Fourth Proportional to 3,460.20, 5,191.92 and 1,512.15

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Solution

The fourth proportional to 3,460.20, 5,191.92 and 1,512.15 is: 2,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.20 : 5,191.92 = 1,512.15 : x
  2. Step 2: Convert to fraction form
    3,460.20/5,191.92 = 1,512.15/x
  3. Step 3: Cross multiply
    3,460.20x = 5,191.92 × 1,512.15
  4. Step 4: Simplify right side
    3,460.20x = 7,850,961.83
  5. Step 5: Solve for x
    x = 7,850,961.83/3,460.20
  6. Step 6: Final answer
    x = 2,268.93

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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.