Home / 3,776.32-5,666.08-2,912.32

Finding the Fourth Proportional to 3,776.32, 5,666.08 and 2,912.32

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Solution

The fourth proportional to 3,776.32, 5,666.08 and 2,912.32 is: 4,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.32 : 5,666.08 = 2,912.32 : x
  2. Step 2: Convert to fraction form
    3,776.32/5,666.08 = 2,912.32/x
  3. Step 3: Cross multiply
    3,776.32x = 5,666.08 × 2,912.32
  4. Step 4: Simplify right side
    3,776.32x = 16,501,438.11
  5. Step 5: Solve for x
    x = 16,501,438.11/3,776.32
  6. Step 6: Final answer
    x = 4,369.71

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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.