Home / 2,453.85-3,681.62-1,155.39

Finding the Fourth Proportional to 2,453.85, 3,681.62 and 1,155.39

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Solution

The fourth proportional to 2,453.85, 3,681.62 and 1,155.39 is: 1,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.85 : 3,681.62 = 1,155.39 : x
  2. Step 2: Convert to fraction form
    2,453.85/3,681.62 = 1,155.39/x
  3. Step 3: Cross multiply
    2,453.85x = 3,681.62 × 1,155.39
  4. Step 4: Simplify right side
    2,453.85x = 4,253,706.93
  5. Step 5: Solve for x
    x = 4,253,706.93/2,453.85
  6. Step 6: Final answer
    x = 1,733.48

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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.