Home / 2,589.28-3,876.60-2,385.16

Finding the Fourth Proportional to 2,589.28, 3,876.60 and 2,385.16

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Solution

The fourth proportional to 2,589.28, 3,876.60 and 2,385.16 is: 3,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.28 : 3,876.60 = 2,385.16 : x
  2. Step 2: Convert to fraction form
    2,589.28/3,876.60 = 2,385.16/x
  3. Step 3: Cross multiply
    2,589.28x = 3,876.60 × 2,385.16
  4. Step 4: Simplify right side
    2,589.28x = 9,246,311.26
  5. Step 5: Solve for x
    x = 9,246,311.26/2,589.28
  6. Step 6: Final answer
    x = 3,571.00

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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.