Home / 2,918.20-4,027.19-1,799.87

Finding the Fourth Proportional to 2,918.20, 4,027.19 and 1,799.87

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Solution

The fourth proportional to 2,918.20, 4,027.19 and 1,799.87 is: 2,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.20 : 4,027.19 = 1,799.87 : x
  2. Step 2: Convert to fraction form
    2,918.20/4,027.19 = 1,799.87/x
  3. Step 3: Cross multiply
    2,918.20x = 4,027.19 × 1,799.87
  4. Step 4: Simplify right side
    2,918.20x = 7,248,418.47
  5. Step 5: Solve for x
    x = 7,248,418.47/2,918.20
  6. Step 6: Final answer
    x = 2,483.87

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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.