Home / 3,099.36-4,650.48-1,929.06

Finding the Fourth Proportional to 3,099.36, 4,650.48 and 1,929.06

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Solution

The fourth proportional to 3,099.36, 4,650.48 and 1,929.06 is: 2,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.36 : 4,650.48 = 1,929.06 : x
  2. Step 2: Convert to fraction form
    3,099.36/4,650.48 = 1,929.06/x
  3. Step 3: Cross multiply
    3,099.36x = 4,650.48 × 1,929.06
  4. Step 4: Simplify right side
    3,099.36x = 8,971,054.95
  5. Step 5: Solve for x
    x = 8,971,054.95/3,099.36
  6. Step 6: Final answer
    x = 2,894.49

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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.