Home / 2,292.41-3,438.62-1,317.89

Finding the Fourth Proportional to 2,292.41, 3,438.62 and 1,317.89

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Solution

The fourth proportional to 2,292.41, 3,438.62 and 1,317.89 is: 1,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.41 : 3,438.62 = 1,317.89 : x
  2. Step 2: Convert to fraction form
    2,292.41/3,438.62 = 1,317.89/x
  3. Step 3: Cross multiply
    2,292.41x = 3,438.62 × 1,317.89
  4. Step 4: Simplify right side
    2,292.41x = 4,531,722.91
  5. Step 5: Solve for x
    x = 4,531,722.91/2,292.41
  6. Step 6: Final answer
    x = 1,976.84

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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.