Home / 3,706.50-5,116.83-2,865.30

Finding the Fourth Proportional to 3,706.50, 5,116.83 and 2,865.30

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Solution

The fourth proportional to 3,706.50, 5,116.83 and 2,865.30 is: 3,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.50 : 5,116.83 = 2,865.30 : x
  2. Step 2: Convert to fraction form
    3,706.50/5,116.83 = 2,865.30/x
  3. Step 3: Cross multiply
    3,706.50x = 5,116.83 × 2,865.30
  4. Step 4: Simplify right side
    3,706.50x = 14,661,263.74
  5. Step 5: Solve for x
    x = 14,661,263.74/3,706.50
  6. Step 6: Final answer
    x = 3,955.56

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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.