Home / 2,381.79-3,570.86-1,344.80

Finding the Fourth Proportional to 2,381.79, 3,570.86 and 1,344.80

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Solution

The fourth proportional to 2,381.79, 3,570.86 and 1,344.80 is: 2,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.79 : 3,570.86 = 1,344.80 : x
  2. Step 2: Convert to fraction form
    2,381.79/3,570.86 = 1,344.80/x
  3. Step 3: Cross multiply
    2,381.79x = 3,570.86 × 1,344.80
  4. Step 4: Simplify right side
    2,381.79x = 4,802,067.95
  5. Step 5: Solve for x
    x = 4,802,067.95/2,381.79
  6. Step 6: Final answer
    x = 2,016.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.