Home / 2,320.28-3,202.05-1,325.72

Finding the Fourth Proportional to 2,320.28, 3,202.05 and 1,325.72

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Solution

The fourth proportional to 2,320.28, 3,202.05 and 1,325.72 is: 1,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.28 : 3,202.05 = 1,325.72 : x
  2. Step 2: Convert to fraction form
    2,320.28/3,202.05 = 1,325.72/x
  3. Step 3: Cross multiply
    2,320.28x = 3,202.05 × 1,325.72
  4. Step 4: Simplify right side
    2,320.28x = 4,245,021.73
  5. Step 5: Solve for x
    x = 4,245,021.73/2,320.28
  6. Step 6: Final answer
    x = 1,829.53

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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.