Home / 2,860.08-3,947.04-2,238

Finding the Fourth Proportional to 2,860.08, 3,947.04 and 2,238

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Solution

The fourth proportional to 2,860.08, 3,947.04 and 2,238 is: 3,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.08 : 3,947.04 = 2,238 : x
  2. Step 2: Convert to fraction form
    2,860.08/3,947.04 = 2,238/x
  3. Step 3: Cross multiply
    2,860.08x = 3,947.04 × 2,238
  4. Step 4: Simplify right side
    2,860.08x = 8,833,475.52
  5. Step 5: Solve for x
    x = 8,833,475.52/2,860.08
  6. Step 6: Final answer
    x = 3,088.54

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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.