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Finding the Fourth Proportional to 2,175.70, 3,262.35 and 714.10

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Solution

The fourth proportional to 2,175.70, 3,262.35 and 714.10 is: 1,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.70 : 3,262.35 = 714.10 : x
  2. Step 2: Convert to fraction form
    2,175.70/3,262.35 = 714.10/x
  3. Step 3: Cross multiply
    2,175.70x = 3,262.35 × 714.10
  4. Step 4: Simplify right side
    2,175.70x = 2,329,644.14
  5. Step 5: Solve for x
    x = 2,329,644.14/2,175.70
  6. Step 6: Final answer
    x = 1,070.76

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1.5x scale

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.