Home / 3,401.41-5,096.30-2,660.74

Finding the Fourth Proportional to 3,401.41, 5,096.30 and 2,660.74

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Solution

The fourth proportional to 3,401.41, 5,096.30 and 2,660.74 is: 3,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.41 : 5,096.30 = 2,660.74 : x
  2. Step 2: Convert to fraction form
    3,401.41/5,096.30 = 2,660.74/x
  3. Step 3: Cross multiply
    3,401.41x = 5,096.30 × 2,660.74
  4. Step 4: Simplify right side
    3,401.41x = 13,559,929.26
  5. Step 5: Solve for x
    x = 13,559,929.26/3,401.41
  6. Step 6: Final answer
    x = 3,986.56

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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.