Home / 2,390.65-3,299.78-1,446.44

Finding the Fourth Proportional to 2,390.65, 3,299.78 and 1,446.44

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Solution

The fourth proportional to 2,390.65, 3,299.78 and 1,446.44 is: 1,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.65 : 3,299.78 = 1,446.44 : x
  2. Step 2: Convert to fraction form
    2,390.65/3,299.78 = 1,446.44/x
  3. Step 3: Cross multiply
    2,390.65x = 3,299.78 × 1,446.44
  4. Step 4: Simplify right side
    2,390.65x = 4,772,945.65
  5. Step 5: Solve for x
    x = 4,772,945.65/2,390.65
  6. Step 6: Final answer
    x = 1,996.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.