Home / 2,262.32-3,394.50-1,440.38

Finding the Fourth Proportional to 2,262.32, 3,394.50 and 1,440.38

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Solution

The fourth proportional to 2,262.32, 3,394.50 and 1,440.38 is: 2,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.32 : 3,394.50 = 1,440.38 : x
  2. Step 2: Convert to fraction form
    2,262.32/3,394.50 = 1,440.38/x
  3. Step 3: Cross multiply
    2,262.32x = 3,394.50 × 1,440.38
  4. Step 4: Simplify right side
    2,262.32x = 4,889,369.91
  5. Step 5: Solve for x
    x = 4,889,369.91/2,262.32
  6. Step 6: Final answer
    x = 2,161.22

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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.