Home / 2,411.11-3,617.81-1,671.86

Finding the Fourth Proportional to 2,411.11, 3,617.81 and 1,671.86

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Solution

The fourth proportional to 2,411.11, 3,617.81 and 1,671.86 is: 2,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.11 : 3,617.81 = 1,671.86 : x
  2. Step 2: Convert to fraction form
    2,411.11/3,617.81 = 1,671.86/x
  3. Step 3: Cross multiply
    2,411.11x = 3,617.81 × 1,671.86
  4. Step 4: Simplify right side
    2,411.11x = 6,048,463.47
  5. Step 5: Solve for x
    x = 6,048,463.47/2,411.11
  6. Step 6: Final answer
    x = 2,508.59

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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.