Home / 3,995.84-5,989.08-2,676.80

Finding the Fourth Proportional to 3,995.84, 5,989.08 and 2,676.80

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Solution

The fourth proportional to 3,995.84, 5,989.08 and 2,676.80 is: 4,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.84 : 5,989.08 = 2,676.80 : x
  2. Step 2: Convert to fraction form
    3,995.84/5,989.08 = 2,676.80/x
  3. Step 3: Cross multiply
    3,995.84x = 5,989.08 × 2,676.80
  4. Step 4: Simplify right side
    3,995.84x = 16,031,569.34
  5. Step 5: Solve for x
    x = 16,031,569.34/3,995.84
  6. Step 6: Final answer
    x = 4,012.06

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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.