Home / 3,360.54-4,638.15-2,185.05

Finding the Fourth Proportional to 3,360.54, 4,638.15 and 2,185.05

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Solution

The fourth proportional to 3,360.54, 4,638.15 and 2,185.05 is: 3,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.54 : 4,638.15 = 2,185.05 : x
  2. Step 2: Convert to fraction form
    3,360.54/4,638.15 = 2,185.05/x
  3. Step 3: Cross multiply
    3,360.54x = 4,638.15 × 2,185.05
  4. Step 4: Simplify right side
    3,360.54x = 10,134,589.66
  5. Step 5: Solve for x
    x = 10,134,589.66/3,360.54
  6. Step 6: Final answer
    x = 3,015.76

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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.