Home / 3,039.18-4,558.35-1,188.99

Finding the Fourth Proportional to 3,039.18, 4,558.35 and 1,188.99

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Solution

The fourth proportional to 3,039.18, 4,558.35 and 1,188.99 is: 1,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.18 : 4,558.35 = 1,188.99 : x
  2. Step 2: Convert to fraction form
    3,039.18/4,558.35 = 1,188.99/x
  3. Step 3: Cross multiply
    3,039.18x = 4,558.35 × 1,188.99
  4. Step 4: Simplify right side
    3,039.18x = 5,419,832.57
  5. Step 5: Solve for x
    x = 5,419,832.57/3,039.18
  6. Step 6: Final answer
    x = 1,783.32

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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.