Home / 2,251.77-3,107.55-1,506.03

Finding the Fourth Proportional to 2,251.77, 3,107.55 and 1,506.03

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Solution

The fourth proportional to 2,251.77, 3,107.55 and 1,506.03 is: 2,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.77 : 3,107.55 = 1,506.03 : x
  2. Step 2: Convert to fraction form
    2,251.77/3,107.55 = 1,506.03/x
  3. Step 3: Cross multiply
    2,251.77x = 3,107.55 × 1,506.03
  4. Step 4: Simplify right side
    2,251.77x = 4,680,063.53
  5. Step 5: Solve for x
    x = 4,680,063.53/2,251.77
  6. Step 6: Final answer
    x = 2,078.39

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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.