Home / 2,918.78-4,027.84-1,592.49

Finding the Fourth Proportional to 2,918.78, 4,027.84 and 1,592.49

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Solution

The fourth proportional to 2,918.78, 4,027.84 and 1,592.49 is: 2,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.78 : 4,027.84 = 1,592.49 : x
  2. Step 2: Convert to fraction form
    2,918.78/4,027.84 = 1,592.49/x
  3. Step 3: Cross multiply
    2,918.78x = 4,027.84 × 1,592.49
  4. Step 4: Simplify right side
    2,918.78x = 6,414,294.92
  5. Step 5: Solve for x
    x = 6,414,294.92/2,918.78
  6. Step 6: Final answer
    x = 2,197.59

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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.