Home / 2,201.81-3,303.48-1,379.11

Finding the Fourth Proportional to 2,201.81, 3,303.48 and 1,379.11

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Solution

The fourth proportional to 2,201.81, 3,303.48 and 1,379.11 is: 2,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.81 : 3,303.48 = 1,379.11 : x
  2. Step 2: Convert to fraction form
    2,201.81/3,303.48 = 1,379.11/x
  3. Step 3: Cross multiply
    2,201.81x = 3,303.48 × 1,379.11
  4. Step 4: Simplify right side
    2,201.81x = 4,555,838.89
  5. Step 5: Solve for x
    x = 4,555,838.89/2,201.81
  6. Step 6: Final answer
    x = 2,069.13

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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.