Home / 2,251.29-3,106.65-1,505.13

Finding the Fourth Proportional to 2,251.29, 3,106.65 and 1,505.13

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Solution

The fourth proportional to 2,251.29, 3,106.65 and 1,505.13 is: 2,076.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.29 : 3,106.65 = 1,505.13 : x
  2. Step 2: Convert to fraction form
    2,251.29/3,106.65 = 1,505.13/x
  3. Step 3: Cross multiply
    2,251.29x = 3,106.65 × 1,505.13
  4. Step 4: Simplify right side
    2,251.29x = 4,675,923.58
  5. Step 5: Solve for x
    x = 4,675,923.58/2,251.29
  6. Step 6: Final answer
    x = 2,076.99

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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.