Home / 2,955.69-4,082.43-2,212.92

Finding the Fourth Proportional to 2,955.69, 4,082.43 and 2,212.92

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Solution

The fourth proportional to 2,955.69, 4,082.43 and 2,212.92 is: 3,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.69 : 4,082.43 = 2,212.92 : x
  2. Step 2: Convert to fraction form
    2,955.69/4,082.43 = 2,212.92/x
  3. Step 3: Cross multiply
    2,955.69x = 4,082.43 × 2,212.92
  4. Step 4: Simplify right side
    2,955.69x = 9,034,091.00
  5. Step 5: Solve for x
    x = 9,034,091.00/2,955.69
  6. Step 6: Final answer
    x = 3,056.51

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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.