Home / 3,156.30-4,734.45-2,816.10

Finding the Fourth Proportional to 3,156.30, 4,734.45 and 2,816.10

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Solution

The fourth proportional to 3,156.30, 4,734.45 and 2,816.10 is: 4,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.30 : 4,734.45 = 2,816.10 : x
  2. Step 2: Convert to fraction form
    3,156.30/4,734.45 = 2,816.10/x
  3. Step 3: Cross multiply
    3,156.30x = 4,734.45 × 2,816.10
  4. Step 4: Simplify right side
    3,156.30x = 13,332,684.65
  5. Step 5: Solve for x
    x = 13,332,684.65/3,156.30
  6. Step 6: Final answer
    x = 4,224.15

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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.