Home / 3,409.46-4,707.39-2,611.38

Finding the Fourth Proportional to 3,409.46, 4,707.39 and 2,611.38

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Solution

The fourth proportional to 3,409.46, 4,707.39 and 2,611.38 is: 3,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.46 : 4,707.39 = 2,611.38 : x
  2. Step 2: Convert to fraction form
    3,409.46/4,707.39 = 2,611.38/x
  3. Step 3: Cross multiply
    3,409.46x = 4,707.39 × 2,611.38
  4. Step 4: Simplify right side
    3,409.46x = 12,292,784.10
  5. Step 5: Solve for x
    x = 12,292,784.10/3,409.46
  6. Step 6: Final answer
    x = 3,605.49

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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.