Home / 3,706.49-5,556.85-1,856.66

Finding the Fourth Proportional to 3,706.49, 5,556.85 and 1,856.66

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Solution

The fourth proportional to 3,706.49, 5,556.85 and 1,856.66 is: 2,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.49 : 5,556.85 = 1,856.66 : x
  2. Step 2: Convert to fraction form
    3,706.49/5,556.85 = 1,856.66/x
  3. Step 3: Cross multiply
    3,706.49x = 5,556.85 × 1,856.66
  4. Step 4: Simplify right side
    3,706.49x = 10,317,148.70
  5. Step 5: Solve for x
    x = 10,317,148.70/3,706.49
  6. Step 6: Final answer
    x = 2,783.53

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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.