Home / 2,443.80-3,372.45-1,324.74

Finding the Fourth Proportional to 2,443.80, 3,372.45 and 1,324.74

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Solution

The fourth proportional to 2,443.80, 3,372.45 and 1,324.74 is: 1,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.80 : 3,372.45 = 1,324.74 : x
  2. Step 2: Convert to fraction form
    2,443.80/3,372.45 = 1,324.74/x
  3. Step 3: Cross multiply
    2,443.80x = 3,372.45 × 1,324.74
  4. Step 4: Simplify right side
    2,443.80x = 4,467,619.41
  5. Step 5: Solve for x
    x = 4,467,619.41/2,443.80
  6. Step 6: Final answer
    x = 1,828.14

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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.