Home / 3,825.58-5,280.62-2,411.65

Finding the Fourth Proportional to 3,825.58, 5,280.62 and 2,411.65

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Solution

The fourth proportional to 3,825.58, 5,280.62 and 2,411.65 is: 3,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.58 : 5,280.62 = 2,411.65 : x
  2. Step 2: Convert to fraction form
    3,825.58/5,280.62 = 2,411.65/x
  3. Step 3: Cross multiply
    3,825.58x = 5,280.62 × 2,411.65
  4. Step 4: Simplify right side
    3,825.58x = 12,735,007.22
  5. Step 5: Solve for x
    x = 12,735,007.22/3,825.58
  6. Step 6: Final answer
    x = 3,328.91

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1.5x scale

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.