Home / 3,205.77-4,423.46-1,808.25

Finding the Fourth Proportional to 3,205.77, 4,423.46 and 1,808.25

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Solution

The fourth proportional to 3,205.77, 4,423.46 and 1,808.25 is: 2,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.77 : 4,423.46 = 1,808.25 : x
  2. Step 2: Convert to fraction form
    3,205.77/4,423.46 = 1,808.25/x
  3. Step 3: Cross multiply
    3,205.77x = 4,423.46 × 1,808.25
  4. Step 4: Simplify right side
    3,205.77x = 7,998,712.50
  5. Step 5: Solve for x
    x = 7,998,712.50/3,205.77
  6. Step 6: Final answer
    x = 2,495.10

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Half scale
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Double scale
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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.