Home / 4,171.42-5,755.70-2,492.21

Finding the Fourth Proportional to 4,171.42, 5,755.70 and 2,492.21

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Solution

The fourth proportional to 4,171.42, 5,755.70 and 2,492.21 is: 3,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.42 : 5,755.70 = 2,492.21 : x
  2. Step 2: Convert to fraction form
    4,171.42/5,755.70 = 2,492.21/x
  3. Step 3: Cross multiply
    4,171.42x = 5,755.70 × 2,492.21
  4. Step 4: Simplify right side
    4,171.42x = 14,344,413.10
  5. Step 5: Solve for x
    x = 14,344,413.10/4,171.42
  6. Step 6: Final answer
    x = 3,438.74

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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.