Home / 3,204.40-4,423.28-2,027.20

Finding the Fourth Proportional to 3,204.40, 4,423.28 and 2,027.20

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Solution

The fourth proportional to 3,204.40, 4,423.28 and 2,027.20 is: 2,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.40 : 4,423.28 = 2,027.20 : x
  2. Step 2: Convert to fraction form
    3,204.40/4,423.28 = 2,027.20/x
  3. Step 3: Cross multiply
    3,204.40x = 4,423.28 × 2,027.20
  4. Step 4: Simplify right side
    3,204.40x = 8,966,873.22
  5. Step 5: Solve for x
    x = 8,966,873.22/3,204.40
  6. Step 6: Final answer
    x = 2,798.30

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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.