Home / 3,230.30-4,845.91-1,039.05

Finding the Fourth Proportional to 3,230.30, 4,845.91 and 1,039.05

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Solution

The fourth proportional to 3,230.30, 4,845.91 and 1,039.05 is: 1,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.30 : 4,845.91 = 1,039.05 : x
  2. Step 2: Convert to fraction form
    3,230.30/4,845.91 = 1,039.05/x
  3. Step 3: Cross multiply
    3,230.30x = 4,845.91 × 1,039.05
  4. Step 4: Simplify right side
    3,230.30x = 5,035,142.79
  5. Step 5: Solve for x
    x = 5,035,142.79/3,230.30
  6. Step 6: Final answer
    x = 1,558.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.