Home / 2,251.10-3,104.78-1,955.18

Finding the Fourth Proportional to 2,251.10, 3,104.78 and 1,955.18

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Solution

The fourth proportional to 2,251.10, 3,104.78 and 1,955.18 is: 2,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.10 : 3,104.78 = 1,955.18 : x
  2. Step 2: Convert to fraction form
    2,251.10/3,104.78 = 1,955.18/x
  3. Step 3: Cross multiply
    2,251.10x = 3,104.78 × 1,955.18
  4. Step 4: Simplify right side
    2,251.10x = 6,070,403.76
  5. Step 5: Solve for x
    x = 6,070,403.76/2,251.10
  6. Step 6: Final answer
    x = 2,696.64

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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.