Home / 3,644.19-5,029.29-2,979.18

Finding the Fourth Proportional to 3,644.19, 5,029.29 and 2,979.18

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Solution

The fourth proportional to 3,644.19, 5,029.29 and 2,979.18 is: 4,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.19 : 5,029.29 = 2,979.18 : x
  2. Step 2: Convert to fraction form
    3,644.19/5,029.29 = 2,979.18/x
  3. Step 3: Cross multiply
    3,644.19x = 5,029.29 × 2,979.18
  4. Step 4: Simplify right side
    3,644.19x = 14,983,160.18
  5. Step 5: Solve for x
    x = 14,983,160.18/3,644.19
  6. Step 6: Final answer
    x = 4,111.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.