Home / 3,445.41-5,161.95-2,209.77

Finding the Fourth Proportional to 3,445.41, 5,161.95 and 2,209.77

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Solution

The fourth proportional to 3,445.41, 5,161.95 and 2,209.77 is: 3,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.41 : 5,161.95 = 2,209.77 : x
  2. Step 2: Convert to fraction form
    3,445.41/5,161.95 = 2,209.77/x
  3. Step 3: Cross multiply
    3,445.41x = 5,161.95 × 2,209.77
  4. Step 4: Simplify right side
    3,445.41x = 11,406,722.25
  5. Step 5: Solve for x
    x = 11,406,722.25/3,445.41
  6. Step 6: Final answer
    x = 3,310.70

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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.