Home / 2,249.78-3,368.40-1,508.37

Finding the Fourth Proportional to 2,249.78, 3,368.40 and 1,508.37

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Solution

The fourth proportional to 2,249.78, 3,368.40 and 1,508.37 is: 2,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.78 : 3,368.40 = 1,508.37 : x
  2. Step 2: Convert to fraction form
    2,249.78/3,368.40 = 1,508.37/x
  3. Step 3: Cross multiply
    2,249.78x = 3,368.40 × 1,508.37
  4. Step 4: Simplify right side
    2,249.78x = 5,080,793.51
  5. Step 5: Solve for x
    x = 5,080,793.51/2,249.78
  6. Step 6: Final answer
    x = 2,258.36

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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.