Home / 3,336.94-5,002.71-1,390.60

Finding the Fourth Proportional to 3,336.94, 5,002.71 and 1,390.60

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Solution

The fourth proportional to 3,336.94, 5,002.71 and 1,390.60 is: 2,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.94 : 5,002.71 = 1,390.60 : x
  2. Step 2: Convert to fraction form
    3,336.94/5,002.71 = 1,390.60/x
  3. Step 3: Cross multiply
    3,336.94x = 5,002.71 × 1,390.60
  4. Step 4: Simplify right side
    3,336.94x = 6,956,768.53
  5. Step 5: Solve for x
    x = 6,956,768.53/3,336.94
  6. Step 6: Final answer
    x = 2,084.77

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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.