Home / 3,937.77-5,436.90-2,614.23

Finding the Fourth Proportional to 3,937.77, 5,436.90 and 2,614.23

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Solution

The fourth proportional to 3,937.77, 5,436.90 and 2,614.23 is: 3,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.77 : 5,436.90 = 2,614.23 : x
  2. Step 2: Convert to fraction form
    3,937.77/5,436.90 = 2,614.23/x
  3. Step 3: Cross multiply
    3,937.77x = 5,436.90 × 2,614.23
  4. Step 4: Simplify right side
    3,937.77x = 14,213,307.09
  5. Step 5: Solve for x
    x = 14,213,307.09/3,937.77
  6. Step 6: Final answer
    x = 3,609.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.