Home / 4,147.16-5,722.42-2,378.44

Finding the Fourth Proportional to 4,147.16, 5,722.42 and 2,378.44

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Solution

The fourth proportional to 4,147.16, 5,722.42 and 2,378.44 is: 3,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.16 : 5,722.42 = 2,378.44 : x
  2. Step 2: Convert to fraction form
    4,147.16/5,722.42 = 2,378.44/x
  3. Step 3: Cross multiply
    4,147.16x = 5,722.42 × 2,378.44
  4. Step 4: Simplify right side
    4,147.16x = 13,610,432.62
  5. Step 5: Solve for x
    x = 13,610,432.62/4,147.16
  6. Step 6: Final answer
    x = 3,281.87

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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.