Home / 2,830.86-4,246.29-1,099.89

Finding the Fourth Proportional to 2,830.86, 4,246.29 and 1,099.89

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Solution

The fourth proportional to 2,830.86, 4,246.29 and 1,099.89 is: 1,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.86 : 4,246.29 = 1,099.89 : x
  2. Step 2: Convert to fraction form
    2,830.86/4,246.29 = 1,099.89/x
  3. Step 3: Cross multiply
    2,830.86x = 4,246.29 × 1,099.89
  4. Step 4: Simplify right side
    2,830.86x = 4,670,451.91
  5. Step 5: Solve for x
    x = 4,670,451.91/2,830.86
  6. Step 6: Final answer
    x = 1,649.84

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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.