Home / 3,759.32-5,638.98-1,162.20

Finding the Fourth Proportional to 3,759.32, 5,638.98 and 1,162.20

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Solution

The fourth proportional to 3,759.32, 5,638.98 and 1,162.20 is: 1,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.32 : 5,638.98 = 1,162.20 : x
  2. Step 2: Convert to fraction form
    3,759.32/5,638.98 = 1,162.20/x
  3. Step 3: Cross multiply
    3,759.32x = 5,638.98 × 1,162.20
  4. Step 4: Simplify right side
    3,759.32x = 6,553,622.56
  5. Step 5: Solve for x
    x = 6,553,622.56/3,759.32
  6. Step 6: Final answer
    x = 1,743.30

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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.