Home / 2,864.55-3,947.73-2,234.08

Finding the Fourth Proportional to 2,864.55, 3,947.73 and 2,234.08

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Solution

The fourth proportional to 2,864.55, 3,947.73 and 2,234.08 is: 3,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.55 : 3,947.73 = 2,234.08 : x
  2. Step 2: Convert to fraction form
    2,864.55/3,947.73 = 2,234.08/x
  3. Step 3: Cross multiply
    2,864.55x = 3,947.73 × 2,234.08
  4. Step 4: Simplify right side
    2,864.55x = 8,819,541.20
  5. Step 5: Solve for x
    x = 8,819,541.20/2,864.55
  6. Step 6: Final answer
    x = 3,078.86

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1.5x scale

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.