Home / 2,918.62-4,372.12-1,356.54

Finding the Fourth Proportional to 2,918.62, 4,372.12 and 1,356.54

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Solution

The fourth proportional to 2,918.62, 4,372.12 and 1,356.54 is: 2,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.62 : 4,372.12 = 1,356.54 : x
  2. Step 2: Convert to fraction form
    2,918.62/4,372.12 = 1,356.54/x
  3. Step 3: Cross multiply
    2,918.62x = 4,372.12 × 1,356.54
  4. Step 4: Simplify right side
    2,918.62x = 5,930,955.66
  5. Step 5: Solve for x
    x = 5,930,955.66/2,918.62
  6. Step 6: Final answer
    x = 2,032.11

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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.