Home / 3,612.30-5,418.45-1,763.70

Finding the Fourth Proportional to 3,612.30, 5,418.45 and 1,763.70

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Solution

The fourth proportional to 3,612.30, 5,418.45 and 1,763.70 is: 2,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.30 : 5,418.45 = 1,763.70 : x
  2. Step 2: Convert to fraction form
    3,612.30/5,418.45 = 1,763.70/x
  3. Step 3: Cross multiply
    3,612.30x = 5,418.45 × 1,763.70
  4. Step 4: Simplify right side
    3,612.30x = 9,556,520.27
  5. Step 5: Solve for x
    x = 9,556,520.27/3,612.30
  6. Step 6: Final answer
    x = 2,645.55

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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.