Home / 2,250.94-3,104.78-1,955.70

Finding the Fourth Proportional to 2,250.94, 3,104.78 and 1,955.70

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Solution

The fourth proportional to 2,250.94, 3,104.78 and 1,955.70 is: 2,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.94 : 3,104.78 = 1,955.70 : x
  2. Step 2: Convert to fraction form
    2,250.94/3,104.78 = 1,955.70/x
  3. Step 3: Cross multiply
    2,250.94x = 3,104.78 × 1,955.70
  4. Step 4: Simplify right side
    2,250.94x = 6,072,018.25
  5. Step 5: Solve for x
    x = 6,072,018.25/2,250.94
  6. Step 6: Final answer
    x = 2,697.55

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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.