Home / 3,581.94-4,943.00-1,988.49

Finding the Fourth Proportional to 3,581.94, 4,943.00 and 1,988.49

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Solution

The fourth proportional to 3,581.94, 4,943.00 and 1,988.49 is: 2,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.94 : 4,943.00 = 1,988.49 : x
  2. Step 2: Convert to fraction form
    3,581.94/4,943.00 = 1,988.49/x
  3. Step 3: Cross multiply
    3,581.94x = 4,943.00 × 1,988.49
  4. Step 4: Simplify right side
    3,581.94x = 9,829,108.49
  5. Step 5: Solve for x
    x = 9,829,108.49/3,581.94
  6. Step 6: Final answer
    x = 2,744.07

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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.