Home / 3,039.30-4,557.57-1,188.99

Finding the Fourth Proportional to 3,039.30, 4,557.57 and 1,188.99

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Solution

The fourth proportional to 3,039.30, 4,557.57 and 1,188.99 is: 1,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.30 : 4,557.57 = 1,188.99 : x
  2. Step 2: Convert to fraction form
    3,039.30/4,557.57 = 1,188.99/x
  3. Step 3: Cross multiply
    3,039.30x = 4,557.57 × 1,188.99
  4. Step 4: Simplify right side
    3,039.30x = 5,418,905.15
  5. Step 5: Solve for x
    x = 5,418,905.15/3,039.30
  6. Step 6: Final answer
    x = 1,782.95

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Double scale
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Similar ratio
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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.