Home / 2,176.34-3,268.15-1,942.45

Finding the Fourth Proportional to 2,176.34, 3,268.15 and 1,942.45

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Solution

The fourth proportional to 2,176.34, 3,268.15 and 1,942.45 is: 2,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.34 : 3,268.15 = 1,942.45 : x
  2. Step 2: Convert to fraction form
    2,176.34/3,268.15 = 1,942.45/x
  3. Step 3: Cross multiply
    2,176.34x = 3,268.15 × 1,942.45
  4. Step 4: Simplify right side
    2,176.34x = 6,348,204.94
  5. Step 5: Solve for x
    x = 6,348,204.94/2,176.34
  6. Step 6: Final answer
    x = 2,916.92

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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.