Home / 2,176.96-3,265.98-1,787.62

Finding the Fourth Proportional to 2,176.96, 3,265.98 and 1,787.62

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Solution

The fourth proportional to 2,176.96, 3,265.98 and 1,787.62 is: 2,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.96 : 3,265.98 = 1,787.62 : x
  2. Step 2: Convert to fraction form
    2,176.96/3,265.98 = 1,787.62/x
  3. Step 3: Cross multiply
    2,176.96x = 3,265.98 × 1,787.62
  4. Step 4: Simplify right side
    2,176.96x = 5,838,331.17
  5. Step 5: Solve for x
    x = 5,838,331.17/2,176.96
  6. Step 6: Final answer
    x = 2,681.87

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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.