Home / 3,486.90-5,217.21-2,076.13

Finding the Fourth Proportional to 3,486.90, 5,217.21 and 2,076.13

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Solution

The fourth proportional to 3,486.90, 5,217.21 and 2,076.13 is: 3,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.90 : 5,217.21 = 2,076.13 : x
  2. Step 2: Convert to fraction form
    3,486.90/5,217.21 = 2,076.13/x
  3. Step 3: Cross multiply
    3,486.90x = 5,217.21 × 2,076.13
  4. Step 4: Simplify right side
    3,486.90x = 10,831,612.72
  5. Step 5: Solve for x
    x = 10,831,612.72/3,486.90
  6. Step 6: Final answer
    x = 3,106.37

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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.