Home / 3,581.12-5,374.88-2,999.68

Finding the Fourth Proportional to 3,581.12, 5,374.88 and 2,999.68

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Solution

The fourth proportional to 3,581.12, 5,374.88 and 2,999.68 is: 4,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.12 : 5,374.88 = 2,999.68 : x
  2. Step 2: Convert to fraction form
    3,581.12/5,374.88 = 2,999.68/x
  3. Step 3: Cross multiply
    3,581.12x = 5,374.88 × 2,999.68
  4. Step 4: Simplify right side
    3,581.12x = 16,122,920.04
  5. Step 5: Solve for x
    x = 16,122,920.04/3,581.12
  6. Step 6: Final answer
    x = 4,502.20

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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.