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Finding the Fourth Proportional to 3,150.94, 4,725.04 and 959.16

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Solution

The fourth proportional to 3,150.94, 4,725.04 and 959.16 is: 1,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.94 : 4,725.04 = 959.16 : x
  2. Step 2: Convert to fraction form
    3,150.94/4,725.04 = 959.16/x
  3. Step 3: Cross multiply
    3,150.94x = 4,725.04 × 959.16
  4. Step 4: Simplify right side
    3,150.94x = 4,532,064.57
  5. Step 5: Solve for x
    x = 4,532,064.57/3,150.94
  6. Step 6: Final answer
    x = 1,438.32

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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.