Home / 3,388.87-5,075.42-3,295.45

Finding the Fourth Proportional to 3,388.87, 5,075.42 and 3,295.45

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Solution

The fourth proportional to 3,388.87, 5,075.42 and 3,295.45 is: 4,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.87 : 5,075.42 = 3,295.45 : x
  2. Step 2: Convert to fraction form
    3,388.87/5,075.42 = 3,295.45/x
  3. Step 3: Cross multiply
    3,388.87x = 5,075.42 × 3,295.45
  4. Step 4: Simplify right side
    3,388.87x = 16,725,792.84
  5. Step 5: Solve for x
    x = 16,725,792.84/3,388.87
  6. Step 6: Final answer
    x = 4,935.51

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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.