Home / 3,896.20-5,373.19-3,045.56

Finding the Fourth Proportional to 3,896.20, 5,373.19 and 3,045.56

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Solution

The fourth proportional to 3,896.20, 5,373.19 and 3,045.56 is: 4,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.20 : 5,373.19 = 3,045.56 : x
  2. Step 2: Convert to fraction form
    3,896.20/5,373.19 = 3,045.56/x
  3. Step 3: Cross multiply
    3,896.20x = 5,373.19 × 3,045.56
  4. Step 4: Simplify right side
    3,896.20x = 16,364,389.78
  5. Step 5: Solve for x
    x = 16,364,389.78/3,896.20
  6. Step 6: Final answer
    x = 4,200.09

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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.