Home / 2,887.25-4,331.72-1,038.33

Finding the Fourth Proportional to 2,887.25, 4,331.72 and 1,038.33

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Solution

The fourth proportional to 2,887.25, 4,331.72 and 1,038.33 is: 1,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.25 : 4,331.72 = 1,038.33 : x
  2. Step 2: Convert to fraction form
    2,887.25/4,331.72 = 1,038.33/x
  3. Step 3: Cross multiply
    2,887.25x = 4,331.72 × 1,038.33
  4. Step 4: Simplify right side
    2,887.25x = 4,497,757.42
  5. Step 5: Solve for x
    x = 4,497,757.42/2,887.25
  6. Step 6: Final answer
    x = 1,557.80

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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.