Home / 3,134.90-4,324.20-2,017.29

Finding the Fourth Proportional to 3,134.90, 4,324.20 and 2,017.29

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Solution

The fourth proportional to 3,134.90, 4,324.20 and 2,017.29 is: 2,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.90 : 4,324.20 = 2,017.29 : x
  2. Step 2: Convert to fraction form
    3,134.90/4,324.20 = 2,017.29/x
  3. Step 3: Cross multiply
    3,134.90x = 4,324.20 × 2,017.29
  4. Step 4: Simplify right side
    3,134.90x = 8,723,165.42
  5. Step 5: Solve for x
    x = 8,723,165.42/3,134.90
  6. Step 6: Final answer
    x = 2,782.60

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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.