Home / 3,806.10-5,706.82-1,341.20

Finding the Fourth Proportional to 3,806.10, 5,706.82 and 1,341.20

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Solution

The fourth proportional to 3,806.10, 5,706.82 and 1,341.20 is: 2,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.10 : 5,706.82 = 1,341.20 : x
  2. Step 2: Convert to fraction form
    3,806.10/5,706.82 = 1,341.20/x
  3. Step 3: Cross multiply
    3,806.10x = 5,706.82 × 1,341.20
  4. Step 4: Simplify right side
    3,806.10x = 7,653,986.98
  5. Step 5: Solve for x
    x = 7,653,986.98/3,806.10
  6. Step 6: Final answer
    x = 2,010.98

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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.