Home / 3,983.15-5,496.92-2,214.75

Finding the Fourth Proportional to 3,983.15, 5,496.92 and 2,214.75

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Solution

The fourth proportional to 3,983.15, 5,496.92 and 2,214.75 is: 3,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.15 : 5,496.92 = 2,214.75 : x
  2. Step 2: Convert to fraction form
    3,983.15/5,496.92 = 2,214.75/x
  3. Step 3: Cross multiply
    3,983.15x = 5,496.92 × 2,214.75
  4. Step 4: Simplify right side
    3,983.15x = 12,174,303.57
  5. Step 5: Solve for x
    x = 12,174,303.57/3,983.15
  6. Step 6: Final answer
    x = 3,056.45

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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.