Home / 2,999.22-4,492.70-1,762.90

Finding the Fourth Proportional to 2,999.22, 4,492.70 and 1,762.90

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Solution

The fourth proportional to 2,999.22, 4,492.70 and 1,762.90 is: 2,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.22 : 4,492.70 = 1,762.90 : x
  2. Step 2: Convert to fraction form
    2,999.22/4,492.70 = 1,762.90/x
  3. Step 3: Cross multiply
    2,999.22x = 4,492.70 × 1,762.90
  4. Step 4: Simplify right side
    2,999.22x = 7,920,180.83
  5. Step 5: Solve for x
    x = 7,920,180.83/2,999.22
  6. Step 6: Final answer
    x = 2,640.75

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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.