Home / 2,918.62-4,029.77-1,799.92

Finding the Fourth Proportional to 2,918.62, 4,029.77 and 1,799.92

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Solution

The fourth proportional to 2,918.62, 4,029.77 and 1,799.92 is: 2,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.62 : 4,029.77 = 1,799.92 : x
  2. Step 2: Convert to fraction form
    2,918.62/4,029.77 = 1,799.92/x
  3. Step 3: Cross multiply
    2,918.62x = 4,029.77 × 1,799.92
  4. Step 4: Simplify right side
    2,918.62x = 7,253,263.62
  5. Step 5: Solve for x
    x = 7,253,263.62/2,918.62
  6. Step 6: Final answer
    x = 2,485.17

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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.