Home / 3,784.72-5,230.11-2,838.87

Finding the Fourth Proportional to 3,784.72, 5,230.11 and 2,838.87

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Solution

The fourth proportional to 3,784.72, 5,230.11 and 2,838.87 is: 3,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.72 : 5,230.11 = 2,838.87 : x
  2. Step 2: Convert to fraction form
    3,784.72/5,230.11 = 2,838.87/x
  3. Step 3: Cross multiply
    3,784.72x = 5,230.11 × 2,838.87
  4. Step 4: Simplify right side
    3,784.72x = 14,847,602.38
  5. Step 5: Solve for x
    x = 14,847,602.38/3,784.72
  6. Step 6: Final answer
    x = 3,923.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.