Home / 1,974.15-2,724.59-1,266.11

Finding the Fourth Proportional to 1,974.15, 2,724.59 and 1,266.11

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Solution

The fourth proportional to 1,974.15, 2,724.59 and 1,266.11 is: 1,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.15 : 2,724.59 = 1,266.11 : x
  2. Step 2: Convert to fraction form
    1,974.15/2,724.59 = 1,266.11/x
  3. Step 3: Cross multiply
    1,974.15x = 2,724.59 × 1,266.11
  4. Step 4: Simplify right side
    1,974.15x = 3,449,630.64
  5. Step 5: Solve for x
    x = 3,449,630.64/1,974.15
  6. Step 6: Final answer
    x = 1,747.40

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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.