Home / 2,960.39-4,085.28-1,615.94

Finding the Fourth Proportional to 2,960.39, 4,085.28 and 1,615.94

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Solution

The fourth proportional to 2,960.39, 4,085.28 and 1,615.94 is: 2,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.39 : 4,085.28 = 1,615.94 : x
  2. Step 2: Convert to fraction form
    2,960.39/4,085.28 = 1,615.94/x
  3. Step 3: Cross multiply
    2,960.39x = 4,085.28 × 1,615.94
  4. Step 4: Simplify right side
    2,960.39x = 6,601,562.26
  5. Step 5: Solve for x
    x = 6,601,562.26/2,960.39
  6. Step 6: Final answer
    x = 2,229.96

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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.