Home / 2,979.27-4,111.68-1,652.97

Finding the Fourth Proportional to 2,979.27, 4,111.68 and 1,652.97

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Solution

The fourth proportional to 2,979.27, 4,111.68 and 1,652.97 is: 2,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.27 : 4,111.68 = 1,652.97 : x
  2. Step 2: Convert to fraction form
    2,979.27/4,111.68 = 1,652.97/x
  3. Step 3: Cross multiply
    2,979.27x = 4,111.68 × 1,652.97
  4. Step 4: Simplify right side
    2,979.27x = 6,796,483.69
  5. Step 5: Solve for x
    x = 6,796,483.69/2,979.27
  6. Step 6: Final answer
    x = 2,281.26

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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.