Home / 3,472.18-4,790.41-1,979.02

Finding the Fourth Proportional to 3,472.18, 4,790.41 and 1,979.02

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Solution

The fourth proportional to 3,472.18, 4,790.41 and 1,979.02 is: 2,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.18 : 4,790.41 = 1,979.02 : x
  2. Step 2: Convert to fraction form
    3,472.18/4,790.41 = 1,979.02/x
  3. Step 3: Cross multiply
    3,472.18x = 4,790.41 × 1,979.02
  4. Step 4: Simplify right side
    3,472.18x = 9,480,293.25
  5. Step 5: Solve for x
    x = 9,480,293.25/3,472.18
  6. Step 6: Final answer
    x = 2,730.36

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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.