Home / 3,599.67-5,399.55-1,291.17

Finding the Fourth Proportional to 3,599.67, 5,399.55 and 1,291.17

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Solution

The fourth proportional to 3,599.67, 5,399.55 and 1,291.17 is: 1,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.67 : 5,399.55 = 1,291.17 : x
  2. Step 2: Convert to fraction form
    3,599.67/5,399.55 = 1,291.17/x
  3. Step 3: Cross multiply
    3,599.67x = 5,399.55 × 1,291.17
  4. Step 4: Simplify right side
    3,599.67x = 6,971,736.97
  5. Step 5: Solve for x
    x = 6,971,736.97/3,599.67
  6. Step 6: Final answer
    x = 1,936.77

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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.