Home / 2,422.94-3,342.67-1,615.77

Finding the Fourth Proportional to 2,422.94, 3,342.67 and 1,615.77

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Solution

The fourth proportional to 2,422.94, 3,342.67 and 1,615.77 is: 2,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.94 : 3,342.67 = 1,615.77 : x
  2. Step 2: Convert to fraction form
    2,422.94/3,342.67 = 1,615.77/x
  3. Step 3: Cross multiply
    2,422.94x = 3,342.67 × 1,615.77
  4. Step 4: Simplify right side
    2,422.94x = 5,400,981.87
  5. Step 5: Solve for x
    x = 5,400,981.87/2,422.94
  6. Step 6: Final answer
    x = 2,229.11

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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.