Home / 3,428.66-5,141.93-1,237.11

Finding the Fourth Proportional to 3,428.66, 5,141.93 and 1,237.11

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Solution

The fourth proportional to 3,428.66, 5,141.93 and 1,237.11 is: 1,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.66 : 5,141.93 = 1,237.11 : x
  2. Step 2: Convert to fraction form
    3,428.66/5,141.93 = 1,237.11/x
  3. Step 3: Cross multiply
    3,428.66x = 5,141.93 × 1,237.11
  4. Step 4: Simplify right side
    3,428.66x = 6,361,133.02
  5. Step 5: Solve for x
    x = 6,361,133.02/3,428.66
  6. Step 6: Final answer
    x = 1,855.28

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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.