Home / 3,943.74-5,918.25-1,635.24

Finding the Fourth Proportional to 3,943.74, 5,918.25 and 1,635.24

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Solution

The fourth proportional to 3,943.74, 5,918.25 and 1,635.24 is: 2,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.74 : 5,918.25 = 1,635.24 : x
  2. Step 2: Convert to fraction form
    3,943.74/5,918.25 = 1,635.24/x
  3. Step 3: Cross multiply
    3,943.74x = 5,918.25 × 1,635.24
  4. Step 4: Simplify right side
    3,943.74x = 9,677,759.13
  5. Step 5: Solve for x
    x = 9,677,759.13/3,943.74
  6. Step 6: Final answer
    x = 2,453.95

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1.5x scale

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.