Home / 3,379.41-5,070.63-2,146.49

Finding the Fourth Proportional to 3,379.41, 5,070.63 and 2,146.49

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Solution

The fourth proportional to 3,379.41, 5,070.63 and 2,146.49 is: 3,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.41 : 5,070.63 = 2,146.49 : x
  2. Step 2: Convert to fraction form
    3,379.41/5,070.63 = 2,146.49/x
  3. Step 3: Cross multiply
    3,379.41x = 5,070.63 × 2,146.49
  4. Step 4: Simplify right side
    3,379.41x = 10,884,056.59
  5. Step 5: Solve for x
    x = 10,884,056.59/3,379.41
  6. Step 6: Final answer
    x = 3,220.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.