Home / 3,204.48-4,422.04-1,807.20

Finding the Fourth Proportional to 3,204.48, 4,422.04 and 1,807.20

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Solution

The fourth proportional to 3,204.48, 4,422.04 and 1,807.20 is: 2,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.48 : 4,422.04 = 1,807.20 : x
  2. Step 2: Convert to fraction form
    3,204.48/4,422.04 = 1,807.20/x
  3. Step 3: Cross multiply
    3,204.48x = 4,422.04 × 1,807.20
  4. Step 4: Simplify right side
    3,204.48x = 7,991,510.69
  5. Step 5: Solve for x
    x = 7,991,510.69/3,204.48
  6. Step 6: Final answer
    x = 2,493.86

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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.