Home / 3,230.42-4,838.31-3,157.52

Finding the Fourth Proportional to 3,230.42, 4,838.31 and 3,157.52

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Solution

The fourth proportional to 3,230.42, 4,838.31 and 3,157.52 is: 4,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.42 : 4,838.31 = 3,157.52 : x
  2. Step 2: Convert to fraction form
    3,230.42/4,838.31 = 3,157.52/x
  3. Step 3: Cross multiply
    3,230.42x = 4,838.31 × 3,157.52
  4. Step 4: Simplify right side
    3,230.42x = 15,277,060.59
  5. Step 5: Solve for x
    x = 15,277,060.59/3,230.42
  6. Step 6: Final answer
    x = 4,729.13

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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.