Home / 2,722.58-4,081.98-1,490.57

Finding the Fourth Proportional to 2,722.58, 4,081.98 and 1,490.57

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Solution

The fourth proportional to 2,722.58, 4,081.98 and 1,490.57 is: 2,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.58 : 4,081.98 = 1,490.57 : x
  2. Step 2: Convert to fraction form
    2,722.58/4,081.98 = 1,490.57/x
  3. Step 3: Cross multiply
    2,722.58x = 4,081.98 × 1,490.57
  4. Step 4: Simplify right side
    2,722.58x = 6,084,476.93
  5. Step 5: Solve for x
    x = 6,084,476.93/2,722.58
  6. Step 6: Final answer
    x = 2,234.82

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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.