Home / 3,472.61-5,205.26-2,156.36

Finding the Fourth Proportional to 3,472.61, 5,205.26 and 2,156.36

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Solution

The fourth proportional to 3,472.61, 5,205.26 and 2,156.36 is: 3,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.61 : 5,205.26 = 2,156.36 : x
  2. Step 2: Convert to fraction form
    3,472.61/5,205.26 = 2,156.36/x
  3. Step 3: Cross multiply
    3,472.61x = 5,205.26 × 2,156.36
  4. Step 4: Simplify right side
    3,472.61x = 11,224,393.82
  5. Step 5: Solve for x
    x = 11,224,393.82/3,472.61
  6. Step 6: Final answer
    x = 3,232.27

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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.