Home / 3,125.14-4,684.83-2,428

Finding the Fourth Proportional to 3,125.14, 4,684.83 and 2,428

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Solution

The fourth proportional to 3,125.14, 4,684.83 and 2,428 is: 3,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.14 : 4,684.83 = 2,428 : x
  2. Step 2: Convert to fraction form
    3,125.14/4,684.83 = 2,428/x
  3. Step 3: Cross multiply
    3,125.14x = 4,684.83 × 2,428
  4. Step 4: Simplify right side
    3,125.14x = 11,374,767.24
  5. Step 5: Solve for x
    x = 11,374,767.24/3,125.14
  6. Step 6: Final answer
    x = 3,639.76

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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.