Home / 2,680.98-3,701.48-2,184.80

Finding the Fourth Proportional to 2,680.98, 3,701.48 and 2,184.80

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Solution

The fourth proportional to 2,680.98, 3,701.48 and 2,184.80 is: 3,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.98 : 3,701.48 = 2,184.80 : x
  2. Step 2: Convert to fraction form
    2,680.98/3,701.48 = 2,184.80/x
  3. Step 3: Cross multiply
    2,680.98x = 3,701.48 × 2,184.80
  4. Step 4: Simplify right side
    2,680.98x = 8,086,991.83
  5. Step 5: Solve for x
    x = 8,086,991.83/2,680.98
  6. Step 6: Final answer
    x = 3,016.44

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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.