Home / 2,929.90-4,389.33-1,447.39

Finding the Fourth Proportional to 2,929.90, 4,389.33 and 1,447.39

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Solution

The fourth proportional to 2,929.90, 4,389.33 and 1,447.39 is: 2,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.90 : 4,389.33 = 1,447.39 : x
  2. Step 2: Convert to fraction form
    2,929.90/4,389.33 = 1,447.39/x
  3. Step 3: Cross multiply
    2,929.90x = 4,389.33 × 1,447.39
  4. Step 4: Simplify right side
    2,929.90x = 6,353,072.35
  5. Step 5: Solve for x
    x = 6,353,072.35/2,929.90
  6. Step 6: Final answer
    x = 2,168.36

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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.