Home / 3,847.28-5,771.64-1,898.48

Finding the Fourth Proportional to 3,847.28, 5,771.64 and 1,898.48

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Solution

The fourth proportional to 3,847.28, 5,771.64 and 1,898.48 is: 2,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.28 : 5,771.64 = 1,898.48 : x
  2. Step 2: Convert to fraction form
    3,847.28/5,771.64 = 1,898.48/x
  3. Step 3: Cross multiply
    3,847.28x = 5,771.64 × 1,898.48
  4. Step 4: Simplify right side
    3,847.28x = 10,957,343.11
  5. Step 5: Solve for x
    x = 10,957,343.11/3,847.28
  6. Step 6: Final answer
    x = 2,848.08

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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.