Home / 2,847.23-3,929.06-1,652.15

Finding the Fourth Proportional to 2,847.23, 3,929.06 and 1,652.15

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Solution

The fourth proportional to 2,847.23, 3,929.06 and 1,652.15 is: 2,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.23 : 3,929.06 = 1,652.15 : x
  2. Step 2: Convert to fraction form
    2,847.23/3,929.06 = 1,652.15/x
  3. Step 3: Cross multiply
    2,847.23x = 3,929.06 × 1,652.15
  4. Step 4: Simplify right side
    2,847.23x = 6,491,414.36
  5. Step 5: Solve for x
    x = 6,491,414.36/2,847.23
  6. Step 6: Final answer
    x = 2,279.91

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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.