Home / 3,410.10-5,114.63-2,186.06

Finding the Fourth Proportional to 3,410.10, 5,114.63 and 2,186.06

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Solution

The fourth proportional to 3,410.10, 5,114.63 and 2,186.06 is: 3,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.10 : 5,114.63 = 2,186.06 : x
  2. Step 2: Convert to fraction form
    3,410.10/5,114.63 = 2,186.06/x
  3. Step 3: Cross multiply
    3,410.10x = 5,114.63 × 2,186.06
  4. Step 4: Simplify right side
    3,410.10x = 11,180,851.55
  5. Step 5: Solve for x
    x = 11,180,851.55/3,410.10
  6. Step 6: Final answer
    x = 3,278.75

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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.