Home / 3,803.67-5,705.49-1,206.81

Finding the Fourth Proportional to 3,803.67, 5,705.49 and 1,206.81

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Solution

The fourth proportional to 3,803.67, 5,705.49 and 1,206.81 is: 1,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.67 : 5,705.49 = 1,206.81 : x
  2. Step 2: Convert to fraction form
    3,803.67/5,705.49 = 1,206.81/x
  3. Step 3: Cross multiply
    3,803.67x = 5,705.49 × 1,206.81
  4. Step 4: Simplify right side
    3,803.67x = 6,885,442.39
  5. Step 5: Solve for x
    x = 6,885,442.39/3,803.67
  6. Step 6: Final answer
    x = 1,810.21

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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.