Home / 2,175.57-3,263.40-714.87

Finding the Fourth Proportional to 2,175.57, 3,263.40 and 714.87

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Solution

The fourth proportional to 2,175.57, 3,263.40 and 714.87 is: 1,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.57 : 3,263.40 = 714.87 : x
  2. Step 2: Convert to fraction form
    2,175.57/3,263.40 = 714.87/x
  3. Step 3: Cross multiply
    2,175.57x = 3,263.40 × 714.87
  4. Step 4: Simplify right side
    2,175.57x = 2,332,906.76
  5. Step 5: Solve for x
    x = 2,332,906.76/2,175.57
  6. Step 6: Final answer
    x = 1,072.32

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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.