Home / 3,456.08-5,187.06-1,377.54

Finding the Fourth Proportional to 3,456.08, 5,187.06 and 1,377.54

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Solution

The fourth proportional to 3,456.08, 5,187.06 and 1,377.54 is: 2,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.08 : 5,187.06 = 1,377.54 : x
  2. Step 2: Convert to fraction form
    3,456.08/5,187.06 = 1,377.54/x
  3. Step 3: Cross multiply
    3,456.08x = 5,187.06 × 1,377.54
  4. Step 4: Simplify right side
    3,456.08x = 7,145,386.51
  5. Step 5: Solve for x
    x = 7,145,386.51/3,456.08
  6. Step 6: Final answer
    x = 2,067.49

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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.