Home / 3,484.10-4,808.00-1,991.97

Finding the Fourth Proportional to 3,484.10, 4,808.00 and 1,991.97

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Solution

The fourth proportional to 3,484.10, 4,808.00 and 1,991.97 is: 2,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.10 : 4,808.00 = 1,991.97 : x
  2. Step 2: Convert to fraction form
    3,484.10/4,808.00 = 1,991.97/x
  3. Step 3: Cross multiply
    3,484.10x = 4,808.00 × 1,991.97
  4. Step 4: Simplify right side
    3,484.10x = 9,577,381.80
  5. Step 5: Solve for x
    x = 9,577,381.80/3,484.10
  6. Step 6: Final answer
    x = 2,748.89

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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.