Home / 3,395.04-4,687.94-2,138.12

Finding the Fourth Proportional to 3,395.04, 4,687.94 and 2,138.12

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Solution

The fourth proportional to 3,395.04, 4,687.94 and 2,138.12 is: 2,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.04 : 4,687.94 = 2,138.12 : x
  2. Step 2: Convert to fraction form
    3,395.04/4,687.94 = 2,138.12/x
  3. Step 3: Cross multiply
    3,395.04x = 4,687.94 × 2,138.12
  4. Step 4: Simplify right side
    3,395.04x = 10,023,378.27
  5. Step 5: Solve for x
    x = 10,023,378.27/3,395.04
  6. Step 6: Final answer
    x = 2,952.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.