Home / 4,084.21-5,636.31-2,291.62

Finding the Fourth Proportional to 4,084.21, 5,636.31 and 2,291.62

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Solution

The fourth proportional to 4,084.21, 5,636.31 and 2,291.62 is: 3,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.21 : 5,636.31 = 2,291.62 : x
  2. Step 2: Convert to fraction form
    4,084.21/5,636.31 = 2,291.62/x
  3. Step 3: Cross multiply
    4,084.21x = 5,636.31 × 2,291.62
  4. Step 4: Simplify right side
    4,084.21x = 12,916,280.72
  5. Step 5: Solve for x
    x = 12,916,280.72/4,084.21
  6. Step 6: Final answer
    x = 3,162.49

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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.