Home / 3,776.29-5,665.46-2,687.58

Finding the Fourth Proportional to 3,776.29, 5,665.46 and 2,687.58

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Solution

The fourth proportional to 3,776.29, 5,665.46 and 2,687.58 is: 4,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.29 : 5,665.46 = 2,687.58 : x
  2. Step 2: Convert to fraction form
    3,776.29/5,665.46 = 2,687.58/x
  3. Step 3: Cross multiply
    3,776.29x = 5,665.46 × 2,687.58
  4. Step 4: Simplify right side
    3,776.29x = 15,226,363.55
  5. Step 5: Solve for x
    x = 15,226,363.55/3,776.29
  6. Step 6: Final answer
    x = 4,032.10

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1.5x scale

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.