Home / 2,320.43-3,202.34-1,533.11

Finding the Fourth Proportional to 2,320.43, 3,202.34 and 1,533.11

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Solution

The fourth proportional to 2,320.43, 3,202.34 and 1,533.11 is: 2,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.43 : 3,202.34 = 1,533.11 : x
  2. Step 2: Convert to fraction form
    2,320.43/3,202.34 = 1,533.11/x
  3. Step 3: Cross multiply
    2,320.43x = 3,202.34 × 1,533.11
  4. Step 4: Simplify right side
    2,320.43x = 4,909,515.80
  5. Step 5: Solve for x
    x = 4,909,515.80/2,320.43
  6. Step 6: Final answer
    x = 2,115.78

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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.