Home / 3,982.86-5,492.58-3,036.99

Finding the Fourth Proportional to 3,982.86, 5,492.58 and 3,036.99

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Solution

The fourth proportional to 3,982.86, 5,492.58 and 3,036.99 is: 4,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.86 : 5,492.58 = 3,036.99 : x
  2. Step 2: Convert to fraction form
    3,982.86/5,492.58 = 3,036.99/x
  3. Step 3: Cross multiply
    3,982.86x = 5,492.58 × 3,036.99
  4. Step 4: Simplify right side
    3,982.86x = 16,680,910.53
  5. Step 5: Solve for x
    x = 16,680,910.53/3,982.86
  6. Step 6: Final answer
    x = 4,188.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.