Home / 3,483.25-4,801.41-2,640.58

Finding the Fourth Proportional to 3,483.25, 4,801.41 and 2,640.58

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Solution

The fourth proportional to 3,483.25, 4,801.41 and 2,640.58 is: 3,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.25 : 4,801.41 = 2,640.58 : x
  2. Step 2: Convert to fraction form
    3,483.25/4,801.41 = 2,640.58/x
  3. Step 3: Cross multiply
    3,483.25x = 4,801.41 × 2,640.58
  4. Step 4: Simplify right side
    3,483.25x = 12,678,507.22
  5. Step 5: Solve for x
    x = 12,678,507.22/3,483.25
  6. Step 6: Final answer
    x = 3,639.85

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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.