Home / 2,446.75-3,376.52-1,398.81

Finding the Fourth Proportional to 2,446.75, 3,376.52 and 1,398.81

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Solution

The fourth proportional to 2,446.75, 3,376.52 and 1,398.81 is: 1,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.75 : 3,376.52 = 1,398.81 : x
  2. Step 2: Convert to fraction form
    2,446.75/3,376.52 = 1,398.81/x
  3. Step 3: Cross multiply
    2,446.75x = 3,376.52 × 1,398.81
  4. Step 4: Simplify right side
    2,446.75x = 4,723,109.94
  5. Step 5: Solve for x
    x = 4,723,109.94/2,446.75
  6. Step 6: Final answer
    x = 1,930.36

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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.