Home / 3,566.48-4,919.68-2,149.20

Finding the Fourth Proportional to 3,566.48, 4,919.68 and 2,149.20

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Solution

The fourth proportional to 3,566.48, 4,919.68 and 2,149.20 is: 2,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.48 : 4,919.68 = 2,149.20 : x
  2. Step 2: Convert to fraction form
    3,566.48/4,919.68 = 2,149.20/x
  3. Step 3: Cross multiply
    3,566.48x = 4,919.68 × 2,149.20
  4. Step 4: Simplify right side
    3,566.48x = 10,573,376.26
  5. Step 5: Solve for x
    x = 10,573,376.26/3,566.48
  6. Step 6: Final answer
    x = 2,964.65

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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.