Home / 2,426.69-3,348.46-1,378.73

Finding the Fourth Proportional to 2,426.69, 3,348.46 and 1,378.73

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Solution

The fourth proportional to 2,426.69, 3,348.46 and 1,378.73 is: 1,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.69 : 3,348.46 = 1,378.73 : x
  2. Step 2: Convert to fraction form
    2,426.69/3,348.46 = 1,378.73/x
  3. Step 3: Cross multiply
    2,426.69x = 3,348.46 × 1,378.73
  4. Step 4: Simplify right side
    2,426.69x = 4,616,622.26
  5. Step 5: Solve for x
    x = 4,616,622.26/2,426.69
  6. Step 6: Final answer
    x = 1,902.44

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Double scale
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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.