Home / 2,218.19-3,055.89-1,838.66

Finding the Fourth Proportional to 2,218.19, 3,055.89 and 1,838.66

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Solution

The fourth proportional to 2,218.19, 3,055.89 and 1,838.66 is: 2,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.19 : 3,055.89 = 1,838.66 : x
  2. Step 2: Convert to fraction form
    2,218.19/3,055.89 = 1,838.66/x
  3. Step 3: Cross multiply
    2,218.19x = 3,055.89 × 1,838.66
  4. Step 4: Simplify right side
    2,218.19x = 5,618,731.99
  5. Step 5: Solve for x
    x = 5,618,731.99/2,218.19
  6. Step 6: Final answer
    x = 2,533.02

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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.