Home / 2,837.61-3,894.90-2,515.83

Finding the Fourth Proportional to 2,837.61, 3,894.90 and 2,515.83

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Solution

The fourth proportional to 2,837.61, 3,894.90 and 2,515.83 is: 3,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.61 : 3,894.90 = 2,515.83 : x
  2. Step 2: Convert to fraction form
    2,837.61/3,894.90 = 2,515.83/x
  3. Step 3: Cross multiply
    2,837.61x = 3,894.90 × 2,515.83
  4. Step 4: Simplify right side
    2,837.61x = 9,798,906.27
  5. Step 5: Solve for x
    x = 9,798,906.27/2,837.61
  6. Step 6: Final answer
    x = 3,453.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.