Home / 3,378.34-5,067.51-1,186.48

Finding the Fourth Proportional to 3,378.34, 5,067.51 and 1,186.48

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Solution

The fourth proportional to 3,378.34, 5,067.51 and 1,186.48 is: 1,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.34 : 5,067.51 = 1,186.48 : x
  2. Step 2: Convert to fraction form
    3,378.34/5,067.51 = 1,186.48/x
  3. Step 3: Cross multiply
    3,378.34x = 5,067.51 × 1,186.48
  4. Step 4: Simplify right side
    3,378.34x = 6,012,499.26
  5. Step 5: Solve for x
    x = 6,012,499.26/3,378.34
  6. Step 6: Final answer
    x = 1,779.72

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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.