Home / 3,706.50-5,114.97-2,309.25

Finding the Fourth Proportional to 3,706.50, 5,114.97 and 2,309.25

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Solution

The fourth proportional to 3,706.50, 5,114.97 and 2,309.25 is: 3,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.50 : 5,114.97 = 2,309.25 : x
  2. Step 2: Convert to fraction form
    3,706.50/5,114.97 = 2,309.25/x
  3. Step 3: Cross multiply
    3,706.50x = 5,114.97 × 2,309.25
  4. Step 4: Simplify right side
    3,706.50x = 11,811,744.47
  5. Step 5: Solve for x
    x = 11,811,744.47/3,706.50
  6. Step 6: Final answer
    x = 3,186.77

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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.