Home / 2,175.90-3,264.41-943.03

Finding the Fourth Proportional to 2,175.90, 3,264.41 and 943.03

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Solution

The fourth proportional to 2,175.90, 3,264.41 and 943.03 is: 1,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.90 : 3,264.41 = 943.03 : x
  2. Step 2: Convert to fraction form
    2,175.90/3,264.41 = 943.03/x
  3. Step 3: Cross multiply
    2,175.90x = 3,264.41 × 943.03
  4. Step 4: Simplify right side
    2,175.90x = 3,078,430.76
  5. Step 5: Solve for x
    x = 3,078,430.76/2,175.90
  6. Step 6: Final answer
    x = 1,414.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.