Home / 2,272.84-3,134.34-1,486.12

Finding the Fourth Proportional to 2,272.84, 3,134.34 and 1,486.12

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Solution

The fourth proportional to 2,272.84, 3,134.34 and 1,486.12 is: 2,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.84 : 3,134.34 = 1,486.12 : x
  2. Step 2: Convert to fraction form
    2,272.84/3,134.34 = 1,486.12/x
  3. Step 3: Cross multiply
    2,272.84x = 3,134.34 × 1,486.12
  4. Step 4: Simplify right side
    2,272.84x = 4,658,005.36
  5. Step 5: Solve for x
    x = 4,658,005.36/2,272.84
  6. Step 6: Final answer
    x = 2,049.42

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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.