Home / 3,039.12-4,558.71-959.09

Finding the Fourth Proportional to 3,039.12, 4,558.71 and 959.09

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Solution

The fourth proportional to 3,039.12, 4,558.71 and 959.09 is: 1,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.12 : 4,558.71 = 959.09 : x
  2. Step 2: Convert to fraction form
    3,039.12/4,558.71 = 959.09/x
  3. Step 3: Cross multiply
    3,039.12x = 4,558.71 × 959.09
  4. Step 4: Simplify right side
    3,039.12x = 4,372,190.38
  5. Step 5: Solve for x
    x = 4,372,190.38/3,039.12
  6. Step 6: Final answer
    x = 1,438.64

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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.