Home / 3,982.75-5,496.80-2,411.76

Finding the Fourth Proportional to 3,982.75, 5,496.80 and 2,411.76

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Solution

The fourth proportional to 3,982.75, 5,496.80 and 2,411.76 is: 3,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.75 : 5,496.80 = 2,411.76 : x
  2. Step 2: Convert to fraction form
    3,982.75/5,496.80 = 2,411.76/x
  3. Step 3: Cross multiply
    3,982.75x = 5,496.80 × 2,411.76
  4. Step 4: Simplify right side
    3,982.75x = 13,256,962.37
  5. Step 5: Solve for x
    x = 13,256,962.37/3,982.75
  6. Step 6: Final answer
    x = 3,328.60

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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.