Home / 2,421.68-3,624.52-2,083.76

Finding the Fourth Proportional to 2,421.68, 3,624.52 and 2,083.76

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Solution

The fourth proportional to 2,421.68, 3,624.52 and 2,083.76 is: 3,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.68 : 3,624.52 = 2,083.76 : x
  2. Step 2: Convert to fraction form
    2,421.68/3,624.52 = 2,083.76/x
  3. Step 3: Cross multiply
    2,421.68x = 3,624.52 × 2,083.76
  4. Step 4: Simplify right side
    2,421.68x = 7,552,629.80
  5. Step 5: Solve for x
    x = 7,552,629.80/2,421.68
  6. Step 6: Final answer
    x = 3,118.76

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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.