Home / 2,539.85-3,808.61-1,153.13

Finding the Fourth Proportional to 2,539.85, 3,808.61 and 1,153.13

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Solution

The fourth proportional to 2,539.85, 3,808.61 and 1,153.13 is: 1,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.85 : 3,808.61 = 1,153.13 : x
  2. Step 2: Convert to fraction form
    2,539.85/3,808.61 = 1,153.13/x
  3. Step 3: Cross multiply
    2,539.85x = 3,808.61 × 1,153.13
  4. Step 4: Simplify right side
    2,539.85x = 4,391,797.64
  5. Step 5: Solve for x
    x = 4,391,797.64/2,539.85
  6. Step 6: Final answer
    x = 1,729.16

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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.