Home / 2,428.45-3,352.85-1,867.89

Finding the Fourth Proportional to 2,428.45, 3,352.85 and 1,867.89

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Solution

The fourth proportional to 2,428.45, 3,352.85 and 1,867.89 is: 2,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.45 : 3,352.85 = 1,867.89 : x
  2. Step 2: Convert to fraction form
    2,428.45/3,352.85 = 1,867.89/x
  3. Step 3: Cross multiply
    2,428.45x = 3,352.85 × 1,867.89
  4. Step 4: Simplify right side
    2,428.45x = 6,262,754.99
  5. Step 5: Solve for x
    x = 6,262,754.99/2,428.45
  6. Step 6: Final answer
    x = 2,578.91

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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.