Home / 2,175.57-3,261.94-1,432.94

Finding the Fourth Proportional to 2,175.57, 3,261.94 and 1,432.94

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Solution

The fourth proportional to 2,175.57, 3,261.94 and 1,432.94 is: 2,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.57 : 3,261.94 = 1,432.94 : x
  2. Step 2: Convert to fraction form
    2,175.57/3,261.94 = 1,432.94/x
  3. Step 3: Cross multiply
    2,175.57x = 3,261.94 × 1,432.94
  4. Step 4: Simplify right side
    2,175.57x = 4,674,164.30
  5. Step 5: Solve for x
    x = 4,674,164.30/2,175.57
  6. Step 6: Final answer
    x = 2,148.48

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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.