Home / 2,856.12-4,284.12-2,372.52

Finding the Fourth Proportional to 2,856.12, 4,284.12 and 2,372.52

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Solution

The fourth proportional to 2,856.12, 4,284.12 and 2,372.52 is: 3,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.12 : 4,284.12 = 2,372.52 : x
  2. Step 2: Convert to fraction form
    2,856.12/4,284.12 = 2,372.52/x
  3. Step 3: Cross multiply
    2,856.12x = 4,284.12 × 2,372.52
  4. Step 4: Simplify right side
    2,856.12x = 10,164,160.38
  5. Step 5: Solve for x
    x = 10,164,160.38/2,856.12
  6. Step 6: Final answer
    x = 3,558.73

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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.