Home / 3,231.03-4,459.40-1,904.65

Finding the Fourth Proportional to 3,231.03, 4,459.40 and 1,904.65

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Solution

The fourth proportional to 3,231.03, 4,459.40 and 1,904.65 is: 2,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.03 : 4,459.40 = 1,904.65 : x
  2. Step 2: Convert to fraction form
    3,231.03/4,459.40 = 1,904.65/x
  3. Step 3: Cross multiply
    3,231.03x = 4,459.40 × 1,904.65
  4. Step 4: Simplify right side
    3,231.03x = 8,493,596.21
  5. Step 5: Solve for x
    x = 8,493,596.21/3,231.03
  6. Step 6: Final answer
    x = 2,628.76

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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.