Home / 2,175.15-3,262.07-615.03

Finding the Fourth Proportional to 2,175.15, 3,262.07 and 615.03

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Solution

The fourth proportional to 2,175.15, 3,262.07 and 615.03 is: 922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.15 : 3,262.07 = 615.03 : x
  2. Step 2: Convert to fraction form
    2,175.15/3,262.07 = 615.03/x
  3. Step 3: Cross multiply
    2,175.15x = 3,262.07 × 615.03
  4. Step 4: Simplify right side
    2,175.15x = 2,006,267.84
  5. Step 5: Solve for x
    x = 2,006,267.84/2,175.15
  6. Step 6: Final answer
    x = 922.36

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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.