Home / 3,039.08-4,558.80-959.15

Finding the Fourth Proportional to 3,039.08, 4,558.80 and 959.15

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Solution

The fourth proportional to 3,039.08, 4,558.80 and 959.15 is: 1,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.08 : 4,558.80 = 959.15 : x
  2. Step 2: Convert to fraction form
    3,039.08/4,558.80 = 959.15/x
  3. Step 3: Cross multiply
    3,039.08x = 4,558.80 × 959.15
  4. Step 4: Simplify right side
    3,039.08x = 4,372,573.02
  5. Step 5: Solve for x
    x = 4,372,573.02/3,039.08
  6. Step 6: Final answer
    x = 1,438.78

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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.