Home / 3,798.13-5,693.21-2,129.81

Finding the Fourth Proportional to 3,798.13, 5,693.21 and 2,129.81

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Solution

The fourth proportional to 3,798.13, 5,693.21 and 2,129.81 is: 3,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.13 : 5,693.21 = 2,129.81 : x
  2. Step 2: Convert to fraction form
    3,798.13/5,693.21 = 2,129.81/x
  3. Step 3: Cross multiply
    3,798.13x = 5,693.21 × 2,129.81
  4. Step 4: Simplify right side
    3,798.13x = 12,125,438.46
  5. Step 5: Solve for x
    x = 12,125,438.46/3,798.13
  6. Step 6: Final answer
    x = 3,192.48

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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.