Home / 3,378.64-5,067.92-1,070.16

Finding the Fourth Proportional to 3,378.64, 5,067.92 and 1,070.16

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Solution

The fourth proportional to 3,378.64, 5,067.92 and 1,070.16 is: 1,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.64 : 5,067.92 = 1,070.16 : x
  2. Step 2: Convert to fraction form
    3,378.64/5,067.92 = 1,070.16/x
  3. Step 3: Cross multiply
    3,378.64x = 5,067.92 × 1,070.16
  4. Step 4: Simplify right side
    3,378.64x = 5,423,485.27
  5. Step 5: Solve for x
    x = 5,423,485.27/3,378.64
  6. Step 6: Final answer
    x = 1,605.23

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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.