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Finding the Fourth Proportional to 3,344.70, 5,017.05 and 1,395.84

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Solution

The fourth proportional to 3,344.70, 5,017.05 and 1,395.84 is: 2,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.70 : 5,017.05 = 1,395.84 : x
  2. Step 2: Convert to fraction form
    3,344.70/5,017.05 = 1,395.84/x
  3. Step 3: Cross multiply
    3,344.70x = 5,017.05 × 1,395.84
  4. Step 4: Simplify right side
    3,344.70x = 7,002,999.07
  5. Step 5: Solve for x
    x = 7,002,999.07/3,344.70
  6. Step 6: Final answer
    x = 2,093.76

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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.