Home / 2,114.13-3,171.21-1,349.49

Finding the Fourth Proportional to 2,114.13, 3,171.21 and 1,349.49

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Solution

The fourth proportional to 2,114.13, 3,171.21 and 1,349.49 is: 2,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.13 : 3,171.21 = 1,349.49 : x
  2. Step 2: Convert to fraction form
    2,114.13/3,171.21 = 1,349.49/x
  3. Step 3: Cross multiply
    2,114.13x = 3,171.21 × 1,349.49
  4. Step 4: Simplify right side
    2,114.13x = 4,279,516.18
  5. Step 5: Solve for x
    x = 4,279,516.18/2,114.13
  6. Step 6: Final answer
    x = 2,024.24

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1.5x scale

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.