Home / 3,378.83-5,068.68-1,038.99

Finding the Fourth Proportional to 3,378.83, 5,068.68 and 1,038.99

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Solution

The fourth proportional to 3,378.83, 5,068.68 and 1,038.99 is: 1,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.83 : 5,068.68 = 1,038.99 : x
  2. Step 2: Convert to fraction form
    3,378.83/5,068.68 = 1,038.99/x
  3. Step 3: Cross multiply
    3,378.83x = 5,068.68 × 1,038.99
  4. Step 4: Simplify right side
    3,378.83x = 5,266,311.73
  5. Step 5: Solve for x
    x = 5,266,311.73/3,378.83
  6. Step 6: Final answer
    x = 1,558.62

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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.