Home / 3,391.75-5,089.55-1,567.75

Finding the Fourth Proportional to 3,391.75, 5,089.55 and 1,567.75

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Solution

The fourth proportional to 3,391.75, 5,089.55 and 1,567.75 is: 2,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.75 : 5,089.55 = 1,567.75 : x
  2. Step 2: Convert to fraction form
    3,391.75/5,089.55 = 1,567.75/x
  3. Step 3: Cross multiply
    3,391.75x = 5,089.55 × 1,567.75
  4. Step 4: Simplify right side
    3,391.75x = 7,979,142.01
  5. Step 5: Solve for x
    x = 7,979,142.01/3,391.75
  6. Step 6: Final answer
    x = 2,352.51

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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.