Home / 3,336.46-5,004.69-1,390.84

Finding the Fourth Proportional to 3,336.46, 5,004.69 and 1,390.84

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Solution

The fourth proportional to 3,336.46, 5,004.69 and 1,390.84 is: 2,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.46 : 5,004.69 = 1,390.84 : x
  2. Step 2: Convert to fraction form
    3,336.46/5,004.69 = 1,390.84/x
  3. Step 3: Cross multiply
    3,336.46x = 5,004.69 × 1,390.84
  4. Step 4: Simplify right side
    3,336.46x = 6,960,723.04
  5. Step 5: Solve for x
    x = 6,960,723.04/3,336.46
  6. Step 6: Final answer
    x = 2,086.26

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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.