Home / 3,330.24-4,589.64-2,209.20

Finding the Fourth Proportional to 3,330.24, 4,589.64 and 2,209.20

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Solution

The fourth proportional to 3,330.24, 4,589.64 and 2,209.20 is: 3,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.24 : 4,589.64 = 2,209.20 : x
  2. Step 2: Convert to fraction form
    3,330.24/4,589.64 = 2,209.20/x
  3. Step 3: Cross multiply
    3,330.24x = 4,589.64 × 2,209.20
  4. Step 4: Simplify right side
    3,330.24x = 10,139,432.69
  5. Step 5: Solve for x
    x = 10,139,432.69/3,330.24
  6. Step 6: Final answer
    x = 3,044.66

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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.