Home / 3,570.18-5,354.24-1,378.42

Finding the Fourth Proportional to 3,570.18, 5,354.24 and 1,378.42

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Solution

The fourth proportional to 3,570.18, 5,354.24 and 1,378.42 is: 2,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.18 : 5,354.24 = 1,378.42 : x
  2. Step 2: Convert to fraction form
    3,570.18/5,354.24 = 1,378.42/x
  3. Step 3: Cross multiply
    3,570.18x = 5,354.24 × 1,378.42
  4. Step 4: Simplify right side
    3,570.18x = 7,380,371.22
  5. Step 5: Solve for x
    x = 7,380,371.22/3,570.18
  6. Step 6: Final answer
    x = 2,067.23

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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.