Home / 2,592.20-3,887.40-1,205.26

Finding the Fourth Proportional to 2,592.20, 3,887.40 and 1,205.26

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Solution

The fourth proportional to 2,592.20, 3,887.40 and 1,205.26 is: 1,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.20 : 3,887.40 = 1,205.26 : x
  2. Step 2: Convert to fraction form
    2,592.20/3,887.40 = 1,205.26/x
  3. Step 3: Cross multiply
    2,592.20x = 3,887.40 × 1,205.26
  4. Step 4: Simplify right side
    2,592.20x = 4,685,327.72
  5. Step 5: Solve for x
    x = 4,685,327.72/2,592.20
  6. Step 6: Final answer
    x = 1,807.47

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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.