Home / 3,428.66-5,143.01-1,237.38

Finding the Fourth Proportional to 3,428.66, 5,143.01 and 1,237.38

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Solution

The fourth proportional to 3,428.66, 5,143.01 and 1,237.38 is: 1,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.66 : 5,143.01 = 1,237.38 : x
  2. Step 2: Convert to fraction form
    3,428.66/5,143.01 = 1,237.38/x
  3. Step 3: Cross multiply
    3,428.66x = 5,143.01 × 1,237.38
  4. Step 4: Simplify right side
    3,428.66x = 6,363,860.81
  5. Step 5: Solve for x
    x = 6,363,860.81/3,428.66
  6. Step 6: Final answer
    x = 1,856.08

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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.