Home / 3,721.36-5,585.70-2,531.75

Finding the Fourth Proportional to 3,721.36, 5,585.70 and 2,531.75

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Solution

The fourth proportional to 3,721.36, 5,585.70 and 2,531.75 is: 3,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.36 : 5,585.70 = 2,531.75 : x
  2. Step 2: Convert to fraction form
    3,721.36/5,585.70 = 2,531.75/x
  3. Step 3: Cross multiply
    3,721.36x = 5,585.70 × 2,531.75
  4. Step 4: Simplify right side
    3,721.36x = 14,141,595.98
  5. Step 5: Solve for x
    x = 14,141,595.98/3,721.36
  6. Step 6: Final answer
    x = 3,800.12

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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.