Home / 3,079.99-4,623.28-1,325.86

Finding the Fourth Proportional to 3,079.99, 4,623.28 and 1,325.86

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Solution

The fourth proportional to 3,079.99, 4,623.28 and 1,325.86 is: 1,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.99 : 4,623.28 = 1,325.86 : x
  2. Step 2: Convert to fraction form
    3,079.99/4,623.28 = 1,325.86/x
  3. Step 3: Cross multiply
    3,079.99x = 4,623.28 × 1,325.86
  4. Step 4: Simplify right side
    3,079.99x = 6,129,826.95
  5. Step 5: Solve for x
    x = 6,129,826.95/3,079.99
  6. Step 6: Final answer
    x = 1,990.21

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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.