Home / 3,431.71-5,144.53-1,675.74

Finding the Fourth Proportional to 3,431.71, 5,144.53 and 1,675.74

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Solution

The fourth proportional to 3,431.71, 5,144.53 and 1,675.74 is: 2,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.71 : 5,144.53 = 1,675.74 : x
  2. Step 2: Convert to fraction form
    3,431.71/5,144.53 = 1,675.74/x
  3. Step 3: Cross multiply
    3,431.71x = 5,144.53 × 1,675.74
  4. Step 4: Simplify right side
    3,431.71x = 8,620,894.70
  5. Step 5: Solve for x
    x = 8,620,894.70/3,431.71
  6. Step 6: Final answer
    x = 2,512.13

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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.