Home / 2,914.38-4,013.28-2,440.26

Finding the Fourth Proportional to 2,914.38, 4,013.28 and 2,440.26

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Solution

The fourth proportional to 2,914.38, 4,013.28 and 2,440.26 is: 3,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.38 : 4,013.28 = 2,440.26 : x
  2. Step 2: Convert to fraction form
    2,914.38/4,013.28 = 2,440.26/x
  3. Step 3: Cross multiply
    2,914.38x = 4,013.28 × 2,440.26
  4. Step 4: Simplify right side
    2,914.38x = 9,793,446.65
  5. Step 5: Solve for x
    x = 9,793,446.65/2,914.38
  6. Step 6: Final answer
    x = 3,360.39

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1.5x scale

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.