Home / 2,960.79-4,085.85-1,634.49

Finding the Fourth Proportional to 2,960.79, 4,085.85 and 1,634.49

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Solution

The fourth proportional to 2,960.79, 4,085.85 and 1,634.49 is: 2,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.79 : 4,085.85 = 1,634.49 : x
  2. Step 2: Convert to fraction form
    2,960.79/4,085.85 = 1,634.49/x
  3. Step 3: Cross multiply
    2,960.79x = 4,085.85 × 1,634.49
  4. Step 4: Simplify right side
    2,960.79x = 6,678,280.97
  5. Step 5: Solve for x
    x = 6,678,280.97/2,960.79
  6. Step 6: Final answer
    x = 2,255.57

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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.