Home / 2,129.09-3,192.89-1,349.93

Finding the Fourth Proportional to 2,129.09, 3,192.89 and 1,349.93

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Solution

The fourth proportional to 2,129.09, 3,192.89 and 1,349.93 is: 2,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.09 : 3,192.89 = 1,349.93 : x
  2. Step 2: Convert to fraction form
    2,129.09/3,192.89 = 1,349.93/x
  3. Step 3: Cross multiply
    2,129.09x = 3,192.89 × 1,349.93
  4. Step 4: Simplify right side
    2,129.09x = 4,310,179.23
  5. Step 5: Solve for x
    x = 4,310,179.23/2,129.09
  6. Step 6: Final answer
    x = 2,024.43

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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.