Home / 2,887.25-4,327.19-1,406.82

Finding the Fourth Proportional to 2,887.25, 4,327.19 and 1,406.82

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Solution

The fourth proportional to 2,887.25, 4,327.19 and 1,406.82 is: 2,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.25 : 4,327.19 = 1,406.82 : x
  2. Step 2: Convert to fraction form
    2,887.25/4,327.19 = 1,406.82/x
  3. Step 3: Cross multiply
    2,887.25x = 4,327.19 × 1,406.82
  4. Step 4: Simplify right side
    2,887.25x = 6,087,570.40
  5. Step 5: Solve for x
    x = 6,087,570.40/2,887.25
  6. Step 6: Final answer
    x = 2,108.44

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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.