Home / 2,585.46-3,877.62-1,267.89

Finding the Fourth Proportional to 2,585.46, 3,877.62 and 1,267.89

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Solution

The fourth proportional to 2,585.46, 3,877.62 and 1,267.89 is: 1,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.46 : 3,877.62 = 1,267.89 : x
  2. Step 2: Convert to fraction form
    2,585.46/3,877.62 = 1,267.89/x
  3. Step 3: Cross multiply
    2,585.46x = 3,877.62 × 1,267.89
  4. Step 4: Simplify right side
    2,585.46x = 4,916,395.62
  5. Step 5: Solve for x
    x = 4,916,395.62/2,585.46
  6. Step 6: Final answer
    x = 1,901.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.