Home / 3,903.46-5,854.27-1,129.38

Finding the Fourth Proportional to 3,903.46, 5,854.27 and 1,129.38

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Solution

The fourth proportional to 3,903.46, 5,854.27 and 1,129.38 is: 1,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.46 : 5,854.27 = 1,129.38 : x
  2. Step 2: Convert to fraction form
    3,903.46/5,854.27 = 1,129.38/x
  3. Step 3: Cross multiply
    3,903.46x = 5,854.27 × 1,129.38
  4. Step 4: Simplify right side
    3,903.46x = 6,611,710.09
  5. Step 5: Solve for x
    x = 6,611,710.09/3,903.46
  6. Step 6: Final answer
    x = 1,693.81

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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.