Home / 3,371.76-5,056.82-1,615.68

Finding the Fourth Proportional to 3,371.76, 5,056.82 and 1,615.68

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Solution

The fourth proportional to 3,371.76, 5,056.82 and 1,615.68 is: 2,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.76 : 5,056.82 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    3,371.76/5,056.82 = 1,615.68/x
  3. Step 3: Cross multiply
    3,371.76x = 5,056.82 × 1,615.68
  4. Step 4: Simplify right side
    3,371.76x = 8,170,202.94
  5. Step 5: Solve for x
    x = 8,170,202.94/3,371.76
  6. Step 6: Final answer
    x = 2,423.13

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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.