Home / 2,949.19-4,420.70-1,099.50

Finding the Fourth Proportional to 2,949.19, 4,420.70 and 1,099.50

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Solution

The fourth proportional to 2,949.19, 4,420.70 and 1,099.50 is: 1,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.19 : 4,420.70 = 1,099.50 : x
  2. Step 2: Convert to fraction form
    2,949.19/4,420.70 = 1,099.50/x
  3. Step 3: Cross multiply
    2,949.19x = 4,420.70 × 1,099.50
  4. Step 4: Simplify right side
    2,949.19x = 4,860,559.65
  5. Step 5: Solve for x
    x = 4,860,559.65/2,949.19
  6. Step 6: Final answer
    x = 1,648.10

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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.