Home / 3,618.57-5,426.49-1,539.56

Finding the Fourth Proportional to 3,618.57, 5,426.49 and 1,539.56

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Solution

The fourth proportional to 3,618.57, 5,426.49 and 1,539.56 is: 2,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.57 : 5,426.49 = 1,539.56 : x
  2. Step 2: Convert to fraction form
    3,618.57/5,426.49 = 1,539.56/x
  3. Step 3: Cross multiply
    3,618.57x = 5,426.49 × 1,539.56
  4. Step 4: Simplify right side
    3,618.57x = 8,354,395.76
  5. Step 5: Solve for x
    x = 8,354,395.76/3,618.57
  6. Step 6: Final answer
    x = 2,308.75

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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.