Home / 2,112.24-3,168.55-552.23

Finding the Fourth Proportional to 2,112.24, 3,168.55 and 552.23

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Solution

The fourth proportional to 2,112.24, 3,168.55 and 552.23 is: 828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.24 : 3,168.55 = 552.23 : x
  2. Step 2: Convert to fraction form
    2,112.24/3,168.55 = 552.23/x
  3. Step 3: Cross multiply
    2,112.24x = 3,168.55 × 552.23
  4. Step 4: Simplify right side
    2,112.24x = 1,749,774.91
  5. Step 5: Solve for x
    x = 1,749,774.91/2,112.24
  6. Step 6: Final answer
    x = 828.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.