Home / 2,249.23-3,103.93-1,254.51

Finding the Fourth Proportional to 2,249.23, 3,103.93 and 1,254.51

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Solution

The fourth proportional to 2,249.23, 3,103.93 and 1,254.51 is: 1,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.23 : 3,103.93 = 1,254.51 : x
  2. Step 2: Convert to fraction form
    2,249.23/3,103.93 = 1,254.51/x
  3. Step 3: Cross multiply
    2,249.23x = 3,103.93 × 1,254.51
  4. Step 4: Simplify right side
    2,249.23x = 3,893,911.22
  5. Step 5: Solve for x
    x = 3,893,911.22/2,249.23
  6. Step 6: Final answer
    x = 1,731.22

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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.