Home / 3,068.92-4,599.79-1,421.99

Finding the Fourth Proportional to 3,068.92, 4,599.79 and 1,421.99

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Solution

The fourth proportional to 3,068.92, 4,599.79 and 1,421.99 is: 2,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.92 : 4,599.79 = 1,421.99 : x
  2. Step 2: Convert to fraction form
    3,068.92/4,599.79 = 1,421.99/x
  3. Step 3: Cross multiply
    3,068.92x = 4,599.79 × 1,421.99
  4. Step 4: Simplify right side
    3,068.92x = 6,540,846.08
  5. Step 5: Solve for x
    x = 6,540,846.08/3,068.92
  6. Step 6: Final answer
    x = 2,131.32

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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.