Home / 3,856.44-5,321.90-2,088.04

Finding the Fourth Proportional to 3,856.44, 5,321.90 and 2,088.04

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Solution

The fourth proportional to 3,856.44, 5,321.90 and 2,088.04 is: 2,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.44 : 5,321.90 = 2,088.04 : x
  2. Step 2: Convert to fraction form
    3,856.44/5,321.90 = 2,088.04/x
  3. Step 3: Cross multiply
    3,856.44x = 5,321.90 × 2,088.04
  4. Step 4: Simplify right side
    3,856.44x = 11,112,340.08
  5. Step 5: Solve for x
    x = 11,112,340.08/3,856.44
  6. Step 6: Final answer
    x = 2,881.50

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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.