Home / 2,684.57-4,025.19-929.16

Finding the Fourth Proportional to 2,684.57, 4,025.19 and 929.16

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Solution

The fourth proportional to 2,684.57, 4,025.19 and 929.16 is: 1,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.57 : 4,025.19 = 929.16 : x
  2. Step 2: Convert to fraction form
    2,684.57/4,025.19 = 929.16/x
  3. Step 3: Cross multiply
    2,684.57x = 4,025.19 × 929.16
  4. Step 4: Simplify right side
    2,684.57x = 3,740,049.02
  5. Step 5: Solve for x
    x = 3,740,049.02/2,684.57
  6. Step 6: Final answer
    x = 1,393.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.