Home / 3,914.34-5,401.85-2,342.13

Finding the Fourth Proportional to 3,914.34, 5,401.85 and 2,342.13

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Solution

The fourth proportional to 3,914.34, 5,401.85 and 2,342.13 is: 3,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.34 : 5,401.85 = 2,342.13 : x
  2. Step 2: Convert to fraction form
    3,914.34/5,401.85 = 2,342.13/x
  3. Step 3: Cross multiply
    3,914.34x = 5,401.85 × 2,342.13
  4. Step 4: Simplify right side
    3,914.34x = 12,651,823.23
  5. Step 5: Solve for x
    x = 12,651,823.23/3,914.34
  6. Step 6: Final answer
    x = 3,232.17

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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.