Home / 3,856.32-5,321.16-2,284.92

Finding the Fourth Proportional to 3,856.32, 5,321.16 and 2,284.92

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Solution

The fourth proportional to 3,856.32, 5,321.16 and 2,284.92 is: 3,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.32 : 5,321.16 = 2,284.92 : x
  2. Step 2: Convert to fraction form
    3,856.32/5,321.16 = 2,284.92/x
  3. Step 3: Cross multiply
    3,856.32x = 5,321.16 × 2,284.92
  4. Step 4: Simplify right side
    3,856.32x = 12,158,424.91
  5. Step 5: Solve for x
    x = 12,158,424.91/3,856.32
  6. Step 6: Final answer
    x = 3,152.86

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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.