Home / 2,166.18-2,989.41-1,568.97

Finding the Fourth Proportional to 2,166.18, 2,989.41 and 1,568.97

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Solution

The fourth proportional to 2,166.18, 2,989.41 and 1,568.97 is: 2,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.18 : 2,989.41 = 1,568.97 : x
  2. Step 2: Convert to fraction form
    2,166.18/2,989.41 = 1,568.97/x
  3. Step 3: Cross multiply
    2,166.18x = 2,989.41 × 1,568.97
  4. Step 4: Simplify right side
    2,166.18x = 4,690,288.72
  5. Step 5: Solve for x
    x = 4,690,288.72/2,166.18
  6. Step 6: Final answer
    x = 2,165.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.