Home / 2,012.22-3,018.36-551.49

Finding the Fourth Proportional to 2,012.22, 3,018.36 and 551.49

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Solution

The fourth proportional to 2,012.22, 3,018.36 and 551.49 is: 827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.22 : 3,018.36 = 551.49 : x
  2. Step 2: Convert to fraction form
    2,012.22/3,018.36 = 551.49/x
  3. Step 3: Cross multiply
    2,012.22x = 3,018.36 × 551.49
  4. Step 4: Simplify right side
    2,012.22x = 1,664,595.36
  5. Step 5: Solve for x
    x = 1,664,595.36/2,012.22
  6. Step 6: Final answer
    x = 827.24

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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.