Home / 2,605.41-3,905.24-1,141.74

Finding the Fourth Proportional to 2,605.41, 3,905.24 and 1,141.74

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Solution

The fourth proportional to 2,605.41, 3,905.24 and 1,141.74 is: 1,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.41 : 3,905.24 = 1,141.74 : x
  2. Step 2: Convert to fraction form
    2,605.41/3,905.24 = 1,141.74/x
  3. Step 3: Cross multiply
    2,605.41x = 3,905.24 × 1,141.74
  4. Step 4: Simplify right side
    2,605.41x = 4,458,763.01
  5. Step 5: Solve for x
    x = 4,458,763.01/2,605.41
  6. Step 6: Final answer
    x = 1,711.35

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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.