Home / 3,639.44-5,458.88-1,299.17

Finding the Fourth Proportional to 3,639.44, 5,458.88 and 1,299.17

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Solution

The fourth proportional to 3,639.44, 5,458.88 and 1,299.17 is: 1,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.44 : 5,458.88 = 1,299.17 : x
  2. Step 2: Convert to fraction form
    3,639.44/5,458.88 = 1,299.17/x
  3. Step 3: Cross multiply
    3,639.44x = 5,458.88 × 1,299.17
  4. Step 4: Simplify right side
    3,639.44x = 7,092,030.02
  5. Step 5: Solve for x
    x = 7,092,030.02/3,639.44
  6. Step 6: Final answer
    x = 1,948.66

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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.