Home / 3,904.67-5,847.80-3,388.88

Finding the Fourth Proportional to 3,904.67, 5,847.80 and 3,388.88

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Solution

The fourth proportional to 3,904.67, 5,847.80 and 3,388.88 is: 5,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.67 : 5,847.80 = 3,388.88 : x
  2. Step 2: Convert to fraction form
    3,904.67/5,847.80 = 3,388.88/x
  3. Step 3: Cross multiply
    3,904.67x = 5,847.80 × 3,388.88
  4. Step 4: Simplify right side
    3,904.67x = 19,817,446.28
  5. Step 5: Solve for x
    x = 19,817,446.28/3,904.67
  6. Step 6: Final answer
    x = 5,075.33

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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.