Home / 4,179-5,766.78-2,290.24

Finding the Fourth Proportional to 4,179, 5,766.78 and 2,290.24

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Solution

The fourth proportional to 4,179, 5,766.78 and 2,290.24 is: 3,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179 : 5,766.78 = 2,290.24 : x
  2. Step 2: Convert to fraction form
    4,179/5,766.78 = 2,290.24/x
  3. Step 3: Cross multiply
    4,179x = 5,766.78 × 2,290.24
  4. Step 4: Simplify right side
    4,179x = 13,207,310.23
  5. Step 5: Solve for x
    x = 13,207,310.23/4,179
  6. Step 6: Final answer
    x = 3,160.40

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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.