Home / 4,954.29-7,428.60-2,031

Finding the Fourth Proportional to 4,954.29, 7,428.60 and 2,031

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Solution

The fourth proportional to 4,954.29, 7,428.60 and 2,031 is: 3,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.29 : 7,428.60 = 2,031 : x
  2. Step 2: Convert to fraction form
    4,954.29/7,428.60 = 2,031/x
  3. Step 3: Cross multiply
    4,954.29x = 7,428.60 × 2,031
  4. Step 4: Simplify right side
    4,954.29x = 15,087,486.60
  5. Step 5: Solve for x
    x = 15,087,486.60/4,954.29
  6. Step 6: Final answer
    x = 3,045.34

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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.