Home / 2,254.95-3,101.49-1,811.88

Finding the Fourth Proportional to 2,254.95, 3,101.49 and 1,811.88

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Solution

The fourth proportional to 2,254.95, 3,101.49 and 1,811.88 is: 2,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.95 : 3,101.49 = 1,811.88 : x
  2. Step 2: Convert to fraction form
    2,254.95/3,101.49 = 1,811.88/x
  3. Step 3: Cross multiply
    2,254.95x = 3,101.49 × 1,811.88
  4. Step 4: Simplify right side
    2,254.95x = 5,619,527.70
  5. Step 5: Solve for x
    x = 5,619,527.70/2,254.95
  6. Step 6: Final answer
    x = 2,492.09

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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.