Home / 2,175.10-3,262.32-714.28

Finding the Fourth Proportional to 2,175.10, 3,262.32 and 714.28

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Solution

The fourth proportional to 2,175.10, 3,262.32 and 714.28 is: 1,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.10 : 3,262.32 = 714.28 : x
  2. Step 2: Convert to fraction form
    2,175.10/3,262.32 = 714.28/x
  3. Step 3: Cross multiply
    2,175.10x = 3,262.32 × 714.28
  4. Step 4: Simplify right side
    2,175.10x = 2,330,209.93
  5. Step 5: Solve for x
    x = 2,330,209.93/2,175.10
  6. Step 6: Final answer
    x = 1,071.31

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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.