Home / 3,914.10-5,401.08-2,342.16

Finding the Fourth Proportional to 3,914.10, 5,401.08 and 2,342.16

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Solution

The fourth proportional to 3,914.10, 5,401.08 and 2,342.16 is: 3,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.10 : 5,401.08 = 2,342.16 : x
  2. Step 2: Convert to fraction form
    3,914.10/5,401.08 = 2,342.16/x
  3. Step 3: Cross multiply
    3,914.10x = 5,401.08 × 2,342.16
  4. Step 4: Simplify right side
    3,914.10x = 12,650,193.53
  5. Step 5: Solve for x
    x = 12,650,193.53/3,914.10
  6. Step 6: Final answer
    x = 3,231.95

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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.