Home / 2,254.82-3,112.52-2,018.35

Finding the Fourth Proportional to 2,254.82, 3,112.52 and 2,018.35

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Solution

The fourth proportional to 2,254.82, 3,112.52 and 2,018.35 is: 2,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.82 : 3,112.52 = 2,018.35 : x
  2. Step 2: Convert to fraction form
    2,254.82/3,112.52 = 2,018.35/x
  3. Step 3: Cross multiply
    2,254.82x = 3,112.52 × 2,018.35
  4. Step 4: Simplify right side
    2,254.82x = 6,282,129.09
  5. Step 5: Solve for x
    x = 6,282,129.09/2,254.82
  6. Step 6: Final answer
    x = 2,786.10

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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.