Home / 3,381.15-4,665.60-2,104.20

Finding the Fourth Proportional to 3,381.15, 4,665.60 and 2,104.20

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Solution

The fourth proportional to 3,381.15, 4,665.60 and 2,104.20 is: 2,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.15 : 4,665.60 = 2,104.20 : x
  2. Step 2: Convert to fraction form
    3,381.15/4,665.60 = 2,104.20/x
  3. Step 3: Cross multiply
    3,381.15x = 4,665.60 × 2,104.20
  4. Step 4: Simplify right side
    3,381.15x = 9,817,355.52
  5. Step 5: Solve for x
    x = 9,817,355.52/3,381.15
  6. Step 6: Final answer
    x = 2,903.56

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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.