Home / 3,307.40-4,954.19-1,986.96

Finding the Fourth Proportional to 3,307.40, 4,954.19 and 1,986.96

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Solution

The fourth proportional to 3,307.40, 4,954.19 and 1,986.96 is: 2,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.40 : 4,954.19 = 1,986.96 : x
  2. Step 2: Convert to fraction form
    3,307.40/4,954.19 = 1,986.96/x
  3. Step 3: Cross multiply
    3,307.40x = 4,954.19 × 1,986.96
  4. Step 4: Simplify right side
    3,307.40x = 9,843,777.36
  5. Step 5: Solve for x
    x = 9,843,777.36/3,307.40
  6. Step 6: Final answer
    x = 2,976.29

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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.