Home / 3,205.44-4,423.50-1,808.18

Finding the Fourth Proportional to 3,205.44, 4,423.50 and 1,808.18

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Solution

The fourth proportional to 3,205.44, 4,423.50 and 1,808.18 is: 2,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.44 : 4,423.50 = 1,808.18 : x
  2. Step 2: Convert to fraction form
    3,205.44/4,423.50 = 1,808.18/x
  3. Step 3: Cross multiply
    3,205.44x = 4,423.50 × 1,808.18
  4. Step 4: Simplify right side
    3,205.44x = 7,998,484.23
  5. Step 5: Solve for x
    x = 7,998,484.23/3,205.44
  6. Step 6: Final answer
    x = 2,495.28

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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.