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Finding the Fourth Proportional to 3,150.06, 4,725.81 and 959.10

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Solution

The fourth proportional to 3,150.06, 4,725.81 and 959.10 is: 1,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.06 : 4,725.81 = 959.10 : x
  2. Step 2: Convert to fraction form
    3,150.06/4,725.81 = 959.10/x
  3. Step 3: Cross multiply
    3,150.06x = 4,725.81 × 959.10
  4. Step 4: Simplify right side
    3,150.06x = 4,532,524.37
  5. Step 5: Solve for x
    x = 4,532,524.37/3,150.06
  6. Step 6: Final answer
    x = 1,438.87

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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.