Home / 2,887.32-4,326.78-2,272.23

Finding the Fourth Proportional to 2,887.32, 4,326.78 and 2,272.23

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Solution

The fourth proportional to 2,887.32, 4,326.78 and 2,272.23 is: 3,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.32 : 4,326.78 = 2,272.23 : x
  2. Step 2: Convert to fraction form
    2,887.32/4,326.78 = 2,272.23/x
  3. Step 3: Cross multiply
    2,887.32x = 4,326.78 × 2,272.23
  4. Step 4: Simplify right side
    2,887.32x = 9,831,439.32
  5. Step 5: Solve for x
    x = 9,831,439.32/2,887.32
  6. Step 6: Final answer
    x = 3,405.04

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1.5x scale

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.