Home / 3,896.16-5,838.80-2,250.40

Finding the Fourth Proportional to 3,896.16, 5,838.80 and 2,250.40

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Solution

The fourth proportional to 3,896.16, 5,838.80 and 2,250.40 is: 3,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.16 : 5,838.80 = 2,250.40 : x
  2. Step 2: Convert to fraction form
    3,896.16/5,838.80 = 2,250.40/x
  3. Step 3: Cross multiply
    3,896.16x = 5,838.80 × 2,250.40
  4. Step 4: Simplify right side
    3,896.16x = 13,139,635.52
  5. Step 5: Solve for x
    x = 13,139,635.52/3,896.16
  6. Step 6: Final answer
    x = 3,372.46

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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.