Home / 3,899.90-5,852.82-2,862.68

Finding the Fourth Proportional to 3,899.90, 5,852.82 and 2,862.68

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Solution

The fourth proportional to 3,899.90, 5,852.82 and 2,862.68 is: 4,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.90 : 5,852.82 = 2,862.68 : x
  2. Step 2: Convert to fraction form
    3,899.90/5,852.82 = 2,862.68/x
  3. Step 3: Cross multiply
    3,899.90x = 5,852.82 × 2,862.68
  4. Step 4: Simplify right side
    3,899.90x = 16,754,750.76
  5. Step 5: Solve for x
    x = 16,754,750.76/3,899.90
  6. Step 6: Final answer
    x = 4,296.20

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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.