Home / 2,205.45-3,036.85-2,056.81

Finding the Fourth Proportional to 2,205.45, 3,036.85 and 2,056.81

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Solution

The fourth proportional to 2,205.45, 3,036.85 and 2,056.81 is: 2,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.45 : 3,036.85 = 2,056.81 : x
  2. Step 2: Convert to fraction form
    2,205.45/3,036.85 = 2,056.81/x
  3. Step 3: Cross multiply
    2,205.45x = 3,036.85 × 2,056.81
  4. Step 4: Simplify right side
    2,205.45x = 6,246,218.06
  5. Step 5: Solve for x
    x = 6,246,218.06/2,205.45
  6. Step 6: Final answer
    x = 2,832.17

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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.