Home / 2,955.09-4,425.57-2,078.49

Finding the Fourth Proportional to 2,955.09, 4,425.57 and 2,078.49

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Solution

The fourth proportional to 2,955.09, 4,425.57 and 2,078.49 is: 3,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.09 : 4,425.57 = 2,078.49 : x
  2. Step 2: Convert to fraction form
    2,955.09/4,425.57 = 2,078.49/x
  3. Step 3: Cross multiply
    2,955.09x = 4,425.57 × 2,078.49
  4. Step 4: Simplify right side
    2,955.09x = 9,198,502.99
  5. Step 5: Solve for x
    x = 9,198,502.99/2,955.09
  6. Step 6: Final answer
    x = 3,112.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.