Home / 2,960.28-4,085.51-2,212.95

Finding the Fourth Proportional to 2,960.28, 4,085.51 and 2,212.95

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Solution

The fourth proportional to 2,960.28, 4,085.51 and 2,212.95 is: 3,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.28 : 4,085.51 = 2,212.95 : x
  2. Step 2: Convert to fraction form
    2,960.28/4,085.51 = 2,212.95/x
  3. Step 3: Cross multiply
    2,960.28x = 4,085.51 × 2,212.95
  4. Step 4: Simplify right side
    2,960.28x = 9,041,033.61
  5. Step 5: Solve for x
    x = 9,041,033.61/2,960.28
  6. Step 6: Final answer
    x = 3,054.11

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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.