Home / 2,101.14-2,898.56-1,354.73

Finding the Fourth Proportional to 2,101.14, 2,898.56 and 1,354.73

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Solution

The fourth proportional to 2,101.14, 2,898.56 and 1,354.73 is: 1,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.14 : 2,898.56 = 1,354.73 : x
  2. Step 2: Convert to fraction form
    2,101.14/2,898.56 = 1,354.73/x
  3. Step 3: Cross multiply
    2,101.14x = 2,898.56 × 1,354.73
  4. Step 4: Simplify right side
    2,101.14x = 3,926,744.92
  5. Step 5: Solve for x
    x = 3,926,744.92/2,101.14
  6. Step 6: Final answer
    x = 1,868.86

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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.