Home / 3,813.60-5,265.57-2,488.02

Finding the Fourth Proportional to 3,813.60, 5,265.57 and 2,488.02

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Solution

The fourth proportional to 3,813.60, 5,265.57 and 2,488.02 is: 3,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.60 : 5,265.57 = 2,488.02 : x
  2. Step 2: Convert to fraction form
    3,813.60/5,265.57 = 2,488.02/x
  3. Step 3: Cross multiply
    3,813.60x = 5,265.57 × 2,488.02
  4. Step 4: Simplify right side
    3,813.60x = 13,100,843.47
  5. Step 5: Solve for x
    x = 13,100,843.47/3,813.60
  6. Step 6: Final answer
    x = 3,435.30

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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.