Home / 2,320.24-3,202.00-1,272.40

Finding the Fourth Proportional to 2,320.24, 3,202.00 and 1,272.40

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Solution

The fourth proportional to 2,320.24, 3,202.00 and 1,272.40 is: 1,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.24 : 3,202.00 = 1,272.40 : x
  2. Step 2: Convert to fraction form
    2,320.24/3,202.00 = 1,272.40/x
  3. Step 3: Cross multiply
    2,320.24x = 3,202.00 × 1,272.40
  4. Step 4: Simplify right side
    2,320.24x = 4,074,205.61
  5. Step 5: Solve for x
    x = 4,074,205.61/2,320.24
  6. Step 6: Final answer
    x = 1,755.95

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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.