Home / 3,318.24-4,579.35-2,197.20

Finding the Fourth Proportional to 3,318.24, 4,579.35 and 2,197.20

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Solution

The fourth proportional to 3,318.24, 4,579.35 and 2,197.20 is: 3,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.24 : 4,579.35 = 2,197.20 : x
  2. Step 2: Convert to fraction form
    3,318.24/4,579.35 = 2,197.20/x
  3. Step 3: Cross multiply
    3,318.24x = 4,579.35 × 2,197.20
  4. Step 4: Simplify right side
    3,318.24x = 10,061,747.82
  5. Step 5: Solve for x
    x = 10,061,747.82/3,318.24
  6. Step 6: Final answer
    x = 3,032.25

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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.