Home / 2,605.12-3,901.52-2,261.26

Finding the Fourth Proportional to 2,605.12, 3,901.52 and 2,261.26

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Solution

The fourth proportional to 2,605.12, 3,901.52 and 2,261.26 is: 3,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.12 : 3,901.52 = 2,261.26 : x
  2. Step 2: Convert to fraction form
    2,605.12/3,901.52 = 2,261.26/x
  3. Step 3: Cross multiply
    2,605.12x = 3,901.52 × 2,261.26
  4. Step 4: Simplify right side
    2,605.12x = 8,822,351.12
  5. Step 5: Solve for x
    x = 8,822,351.12/2,605.12
  6. Step 6: Final answer
    x = 3,386.54

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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.