Home / 2,554.12-3,812.54-2,191.24

Finding the Fourth Proportional to 2,554.12, 3,812.54 and 2,191.24

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Solution

The fourth proportional to 2,554.12, 3,812.54 and 2,191.24 is: 3,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.12 : 3,812.54 = 2,191.24 : x
  2. Step 2: Convert to fraction form
    2,554.12/3,812.54 = 2,191.24/x
  3. Step 3: Cross multiply
    2,554.12x = 3,812.54 × 2,191.24
  4. Step 4: Simplify right side
    2,554.12x = 8,354,190.15
  5. Step 5: Solve for x
    x = 8,354,190.15/2,554.12
  6. Step 6: Final answer
    x = 3,270.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.