Home / 3,411.19-5,110.09-1,768.81

Finding the Fourth Proportional to 3,411.19, 5,110.09 and 1,768.81

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Solution

The fourth proportional to 3,411.19, 5,110.09 and 1,768.81 is: 2,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.19 : 5,110.09 = 1,768.81 : x
  2. Step 2: Convert to fraction form
    3,411.19/5,110.09 = 1,768.81/x
  3. Step 3: Cross multiply
    3,411.19x = 5,110.09 × 1,768.81
  4. Step 4: Simplify right side
    3,411.19x = 9,038,778.29
  5. Step 5: Solve for x
    x = 9,038,778.29/3,411.19
  6. Step 6: Final answer
    x = 2,649.74

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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.