Home / 3,304.89-4,555.71-2,640.69

Finding the Fourth Proportional to 3,304.89, 4,555.71 and 2,640.69

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Solution

The fourth proportional to 3,304.89, 4,555.71 and 2,640.69 is: 3,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.89 : 4,555.71 = 2,640.69 : x
  2. Step 2: Convert to fraction form
    3,304.89/4,555.71 = 2,640.69/x
  3. Step 3: Cross multiply
    3,304.89x = 4,555.71 × 2,640.69
  4. Step 4: Simplify right side
    3,304.89x = 12,030,217.84
  5. Step 5: Solve for x
    x = 12,030,217.84/3,304.89
  6. Step 6: Final answer
    x = 3,640.13

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Half scale
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Double scale
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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.