Home / 3,099.11-4,649.74-1,151.87

Finding the Fourth Proportional to 3,099.11, 4,649.74 and 1,151.87

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Solution

The fourth proportional to 3,099.11, 4,649.74 and 1,151.87 is: 1,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.11 : 4,649.74 = 1,151.87 : x
  2. Step 2: Convert to fraction form
    3,099.11/4,649.74 = 1,151.87/x
  3. Step 3: Cross multiply
    3,099.11x = 4,649.74 × 1,151.87
  4. Step 4: Simplify right side
    3,099.11x = 5,355,869.89
  5. Step 5: Solve for x
    x = 5,355,869.89/3,099.11
  6. Step 6: Final answer
    x = 1,728.20

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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.