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Finding the Fourth Proportional to 3,625.62, 5,003.36 and 1,969.62

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Solution

The fourth proportional to 3,625.62, 5,003.36 and 1,969.62 is: 2,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.62 : 5,003.36 = 1,969.62 : x
  2. Step 2: Convert to fraction form
    3,625.62/5,003.36 = 1,969.62/x
  3. Step 3: Cross multiply
    3,625.62x = 5,003.36 × 1,969.62
  4. Step 4: Simplify right side
    3,625.62x = 9,854,717.92
  5. Step 5: Solve for x
    x = 9,854,717.92/3,625.62
  6. Step 6: Final answer
    x = 2,718.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.