Home / 3,983.61-5,493.57-2,637.09

Finding the Fourth Proportional to 3,983.61, 5,493.57 and 2,637.09

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Solution

The fourth proportional to 3,983.61, 5,493.57 and 2,637.09 is: 3,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.61 : 5,493.57 = 2,637.09 : x
  2. Step 2: Convert to fraction form
    3,983.61/5,493.57 = 2,637.09/x
  3. Step 3: Cross multiply
    3,983.61x = 5,493.57 × 2,637.09
  4. Step 4: Simplify right side
    3,983.61x = 14,487,043.46
  5. Step 5: Solve for x
    x = 14,487,043.46/3,983.61
  6. Step 6: Final answer
    x = 3,636.66

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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.