Home / 2,446.50-3,376.63-1,398.56

Finding the Fourth Proportional to 2,446.50, 3,376.63 and 1,398.56

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Solution

The fourth proportional to 2,446.50, 3,376.63 and 1,398.56 is: 1,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.50 : 3,376.63 = 1,398.56 : x
  2. Step 2: Convert to fraction form
    2,446.50/3,376.63 = 1,398.56/x
  3. Step 3: Cross multiply
    2,446.50x = 3,376.63 × 1,398.56
  4. Step 4: Simplify right side
    2,446.50x = 4,722,424.60
  5. Step 5: Solve for x
    x = 4,722,424.60/2,446.50
  6. Step 6: Final answer
    x = 1,930.28

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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.