Home / 3,380.13-4,653.45-2,906.28

Finding the Fourth Proportional to 3,380.13, 4,653.45 and 2,906.28

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Solution

The fourth proportional to 3,380.13, 4,653.45 and 2,906.28 is: 4,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.13 : 4,653.45 = 2,906.28 : x
  2. Step 2: Convert to fraction form
    3,380.13/4,653.45 = 2,906.28/x
  3. Step 3: Cross multiply
    3,380.13x = 4,653.45 × 2,906.28
  4. Step 4: Simplify right side
    3,380.13x = 13,524,228.67
  5. Step 5: Solve for x
    x = 13,524,228.67/3,380.13
  6. Step 6: Final answer
    x = 4,001.10

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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.