Home / 3,149.10-4,720.41-1,067.40

Finding the Fourth Proportional to 3,149.10, 4,720.41 and 1,067.40

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Solution

The fourth proportional to 3,149.10, 4,720.41 and 1,067.40 is: 1,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.10 : 4,720.41 = 1,067.40 : x
  2. Step 2: Convert to fraction form
    3,149.10/4,720.41 = 1,067.40/x
  3. Step 3: Cross multiply
    3,149.10x = 4,720.41 × 1,067.40
  4. Step 4: Simplify right side
    3,149.10x = 5,038,565.63
  5. Step 5: Solve for x
    x = 5,038,565.63/3,149.10
  6. Step 6: Final answer
    x = 1,600.00

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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.