Home / 1,540.71-2,299.23-1,334.97

Finding the Fourth Proportional to 1,540.71, 2,299.23 and 1,334.97

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Solution

The fourth proportional to 1,540.71, 2,299.23 and 1,334.97 is: 1,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.71 : 2,299.23 = 1,334.97 : x
  2. Step 2: Convert to fraction form
    1,540.71/2,299.23 = 1,334.97/x
  3. Step 3: Cross multiply
    1,540.71x = 2,299.23 × 1,334.97
  4. Step 4: Simplify right side
    1,540.71x = 3,069,403.07
  5. Step 5: Solve for x
    x = 3,069,403.07/1,540.71
  6. Step 6: Final answer
    x = 1,992.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.