Home / 3,979.02-5,965.65-2,029.74

Finding the Fourth Proportional to 3,979.02, 5,965.65 and 2,029.74

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Solution

The fourth proportional to 3,979.02, 5,965.65 and 2,029.74 is: 3,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.02 : 5,965.65 = 2,029.74 : x
  2. Step 2: Convert to fraction form
    3,979.02/5,965.65 = 2,029.74/x
  3. Step 3: Cross multiply
    3,979.02x = 5,965.65 × 2,029.74
  4. Step 4: Simplify right side
    3,979.02x = 12,108,718.43
  5. Step 5: Solve for x
    x = 12,108,718.43/3,979.02
  6. Step 6: Final answer
    x = 3,043.14

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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.