Home / 2,949.81-4,424.10-1,487.56

Finding the Fourth Proportional to 2,949.81, 4,424.10 and 1,487.56

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Solution

The fourth proportional to 2,949.81, 4,424.10 and 1,487.56 is: 2,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.81 : 4,424.10 = 1,487.56 : x
  2. Step 2: Convert to fraction form
    2,949.81/4,424.10 = 1,487.56/x
  3. Step 3: Cross multiply
    2,949.81x = 4,424.10 × 1,487.56
  4. Step 4: Simplify right side
    2,949.81x = 6,581,092.08
  5. Step 5: Solve for x
    x = 6,581,092.08/2,949.81
  6. Step 6: Final answer
    x = 2,231.03

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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.