Home / 3,839.58-5,759.37-1,066.40

Finding the Fourth Proportional to 3,839.58, 5,759.37 and 1,066.40

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Solution

The fourth proportional to 3,839.58, 5,759.37 and 1,066.40 is: 1,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.58 : 5,759.37 = 1,066.40 : x
  2. Step 2: Convert to fraction form
    3,839.58/5,759.37 = 1,066.40/x
  3. Step 3: Cross multiply
    3,839.58x = 5,759.37 × 1,066.40
  4. Step 4: Simplify right side
    3,839.58x = 6,141,763.37
  5. Step 5: Solve for x
    x = 6,141,763.37/3,839.58
  6. Step 6: Final answer
    x = 1,599.59

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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.