Home / 4,182.48-5,770.20-2,690.20

Finding the Fourth Proportional to 4,182.48, 5,770.20 and 2,690.20

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Solution

The fourth proportional to 4,182.48, 5,770.20 and 2,690.20 is: 3,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.48 : 5,770.20 = 2,690.20 : x
  2. Step 2: Convert to fraction form
    4,182.48/5,770.20 = 2,690.20/x
  3. Step 3: Cross multiply
    4,182.48x = 5,770.20 × 2,690.20
  4. Step 4: Simplify right side
    4,182.48x = 15,522,992.04
  5. Step 5: Solve for x
    x = 15,522,992.04/4,182.48
  6. Step 6: Final answer
    x = 3,711.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.