Home / 3,776.22-5,666.85-1,438.38

Finding the Fourth Proportional to 3,776.22, 5,666.85 and 1,438.38

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Solution

The fourth proportional to 3,776.22, 5,666.85 and 1,438.38 is: 2,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.22 : 5,666.85 = 1,438.38 : x
  2. Step 2: Convert to fraction form
    3,776.22/5,666.85 = 1,438.38/x
  3. Step 3: Cross multiply
    3,776.22x = 5,666.85 × 1,438.38
  4. Step 4: Simplify right side
    3,776.22x = 8,151,083.70
  5. Step 5: Solve for x
    x = 8,151,083.70/3,776.22
  6. Step 6: Final answer
    x = 2,158.53

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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.