Home / 3,711.61-5,567.79-1,372.23

Finding the Fourth Proportional to 3,711.61, 5,567.79 and 1,372.23

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Solution

The fourth proportional to 3,711.61, 5,567.79 and 1,372.23 is: 2,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.61 : 5,567.79 = 1,372.23 : x
  2. Step 2: Convert to fraction form
    3,711.61/5,567.79 = 1,372.23/x
  3. Step 3: Cross multiply
    3,711.61x = 5,567.79 × 1,372.23
  4. Step 4: Simplify right side
    3,711.61x = 7,640,288.47
  5. Step 5: Solve for x
    x = 7,640,288.47/3,711.61
  6. Step 6: Final answer
    x = 2,058.48

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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.