Home / 3,230.85-4,846.30-1,039.70

Finding the Fourth Proportional to 3,230.85, 4,846.30 and 1,039.70

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Solution

The fourth proportional to 3,230.85, 4,846.30 and 1,039.70 is: 1,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.85 : 4,846.30 = 1,039.70 : x
  2. Step 2: Convert to fraction form
    3,230.85/4,846.30 = 1,039.70/x
  3. Step 3: Cross multiply
    3,230.85x = 4,846.30 × 1,039.70
  4. Step 4: Simplify right side
    3,230.85x = 5,038,707.63
  5. Step 5: Solve for x
    x = 5,038,707.63/3,230.85
  6. Step 6: Final answer
    x = 1,559.56

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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.