Home / 2,181.54-3,007.35-1,656.66

Finding the Fourth Proportional to 2,181.54, 3,007.35 and 1,656.66

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Solution

The fourth proportional to 2,181.54, 3,007.35 and 1,656.66 is: 2,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.54 : 3,007.35 = 1,656.66 : x
  2. Step 2: Convert to fraction form
    2,181.54/3,007.35 = 1,656.66/x
  3. Step 3: Cross multiply
    2,181.54x = 3,007.35 × 1,656.66
  4. Step 4: Simplify right side
    2,181.54x = 4,982,156.45
  5. Step 5: Solve for x
    x = 4,982,156.45/2,181.54
  6. Step 6: Final answer
    x = 2,283.78

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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.