Home / 2,427.72-3,354.79-2,068.61

Finding the Fourth Proportional to 2,427.72, 3,354.79 and 2,068.61

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Solution

The fourth proportional to 2,427.72, 3,354.79 and 2,068.61 is: 2,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.72 : 3,354.79 = 2,068.61 : x
  2. Step 2: Convert to fraction form
    2,427.72/3,354.79 = 2,068.61/x
  3. Step 3: Cross multiply
    2,427.72x = 3,354.79 × 2,068.61
  4. Step 4: Simplify right side
    2,427.72x = 6,939,752.14
  5. Step 5: Solve for x
    x = 6,939,752.14/2,427.72
  6. Step 6: Final answer
    x = 2,858.55

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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.