Home / 3,551.19-5,329.14-1,242.69

Finding the Fourth Proportional to 3,551.19, 5,329.14 and 1,242.69

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Solution

The fourth proportional to 3,551.19, 5,329.14 and 1,242.69 is: 1,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.19 : 5,329.14 = 1,242.69 : x
  2. Step 2: Convert to fraction form
    3,551.19/5,329.14 = 1,242.69/x
  3. Step 3: Cross multiply
    3,551.19x = 5,329.14 × 1,242.69
  4. Step 4: Simplify right side
    3,551.19x = 6,622,468.99
  5. Step 5: Solve for x
    x = 6,622,468.99/3,551.19
  6. Step 6: Final answer
    x = 1,864.86

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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.