Home / 3,852.45-5,750.79-3,385.36

Finding the Fourth Proportional to 3,852.45, 5,750.79 and 3,385.36

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Solution

The fourth proportional to 3,852.45, 5,750.79 and 3,385.36 is: 5,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.45 : 5,750.79 = 3,385.36 : x
  2. Step 2: Convert to fraction form
    3,852.45/5,750.79 = 3,385.36/x
  3. Step 3: Cross multiply
    3,852.45x = 5,750.79 × 3,385.36
  4. Step 4: Simplify right side
    3,852.45x = 19,468,494.43
  5. Step 5: Solve for x
    x = 19,468,494.43/3,852.45
  6. Step 6: Final answer
    x = 5,053.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.