Home / 2,999.02-4,499.22-1,438.57

Finding the Fourth Proportional to 2,999.02, 4,499.22 and 1,438.57

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Solution

The fourth proportional to 2,999.02, 4,499.22 and 1,438.57 is: 2,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.02 : 4,499.22 = 1,438.57 : x
  2. Step 2: Convert to fraction form
    2,999.02/4,499.22 = 1,438.57/x
  3. Step 3: Cross multiply
    2,999.02x = 4,499.22 × 1,438.57
  4. Step 4: Simplify right side
    2,999.02x = 6,472,442.92
  5. Step 5: Solve for x
    x = 6,472,442.92/2,999.02
  6. Step 6: Final answer
    x = 2,158.19

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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.