Home / 2,894.12-4,335.42-1,865

Finding the Fourth Proportional to 2,894.12, 4,335.42 and 1,865

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Solution

The fourth proportional to 2,894.12, 4,335.42 and 1,865 is: 2,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.12 : 4,335.42 = 1,865 : x
  2. Step 2: Convert to fraction form
    2,894.12/4,335.42 = 1,865/x
  3. Step 3: Cross multiply
    2,894.12x = 4,335.42 × 1,865
  4. Step 4: Simplify right side
    2,894.12x = 8,085,558.30
  5. Step 5: Solve for x
    x = 8,085,558.30/2,894.12
  6. Step 6: Final answer
    x = 2,793.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.