Home / 3,225.55-4,450.98-1,808.90

Finding the Fourth Proportional to 3,225.55, 4,450.98 and 1,808.90

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Solution

The fourth proportional to 3,225.55, 4,450.98 and 1,808.90 is: 2,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.55 : 4,450.98 = 1,808.90 : x
  2. Step 2: Convert to fraction form
    3,225.55/4,450.98 = 1,808.90/x
  3. Step 3: Cross multiply
    3,225.55x = 4,450.98 × 1,808.90
  4. Step 4: Simplify right side
    3,225.55x = 8,051,377.72
  5. Step 5: Solve for x
    x = 8,051,377.72/3,225.55
  6. Step 6: Final answer
    x = 2,496.13

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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.