Home / 3,099.45-4,649.86-1,455.10

Finding the Fourth Proportional to 3,099.45, 4,649.86 and 1,455.10

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Solution

The fourth proportional to 3,099.45, 4,649.86 and 1,455.10 is: 2,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.45 : 4,649.86 = 1,455.10 : x
  2. Step 2: Convert to fraction form
    3,099.45/4,649.86 = 1,455.10/x
  3. Step 3: Cross multiply
    3,099.45x = 4,649.86 × 1,455.10
  4. Step 4: Simplify right side
    3,099.45x = 6,766,001.48
  5. Step 5: Solve for x
    x = 6,766,001.48/3,099.45
  6. Step 6: Final answer
    x = 2,182.97

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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.