Home / 2,918.43-4,377.65-1,252.19

Finding the Fourth Proportional to 2,918.43, 4,377.65 and 1,252.19

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Solution

The fourth proportional to 2,918.43, 4,377.65 and 1,252.19 is: 1,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.43 : 4,377.65 = 1,252.19 : x
  2. Step 2: Convert to fraction form
    2,918.43/4,377.65 = 1,252.19/x
  3. Step 3: Cross multiply
    2,918.43x = 4,377.65 × 1,252.19
  4. Step 4: Simplify right side
    2,918.43x = 5,481,654.24
  5. Step 5: Solve for x
    x = 5,481,654.24/2,918.43
  6. Step 6: Final answer
    x = 1,878.29

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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.