Home / 3,205.01-4,423.72-1,808.57

Finding the Fourth Proportional to 3,205.01, 4,423.72 and 1,808.57

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Solution

The fourth proportional to 3,205.01, 4,423.72 and 1,808.57 is: 2,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.01 : 4,423.72 = 1,808.57 : x
  2. Step 2: Convert to fraction form
    3,205.01/4,423.72 = 1,808.57/x
  3. Step 3: Cross multiply
    3,205.01x = 4,423.72 × 1,808.57
  4. Step 4: Simplify right side
    3,205.01x = 8,000,576.12
  5. Step 5: Solve for x
    x = 8,000,576.12/3,205.01
  6. Step 6: Final answer
    x = 2,496.28

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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.