Home / 3,474.20-4,792.08-2,146.20

Finding the Fourth Proportional to 3,474.20, 4,792.08 and 2,146.20

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Solution

The fourth proportional to 3,474.20, 4,792.08 and 2,146.20 is: 2,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.20 : 4,792.08 = 2,146.20 : x
  2. Step 2: Convert to fraction form
    3,474.20/4,792.08 = 2,146.20/x
  3. Step 3: Cross multiply
    3,474.20x = 4,792.08 × 2,146.20
  4. Step 4: Simplify right side
    3,474.20x = 10,284,762.10
  5. Step 5: Solve for x
    x = 10,284,762.10/3,474.20
  6. Step 6: Final answer
    x = 2,960.33

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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.