Home / 2,887.82-4,325.70-2,680.28

Finding the Fourth Proportional to 2,887.82, 4,325.70 and 2,680.28

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Solution

The fourth proportional to 2,887.82, 4,325.70 and 2,680.28 is: 4,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.82 : 4,325.70 = 2,680.28 : x
  2. Step 2: Convert to fraction form
    2,887.82/4,325.70 = 2,680.28/x
  3. Step 3: Cross multiply
    2,887.82x = 4,325.70 × 2,680.28
  4. Step 4: Simplify right side
    2,887.82x = 11,594,087.20
  5. Step 5: Solve for x
    x = 11,594,087.20/2,887.82
  6. Step 6: Final answer
    x = 4,014.82

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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.