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Finding the Fourth Proportional to 3,079.99, 4,619.99 and 1,437.69

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Solution

The fourth proportional to 3,079.99, 4,619.99 and 1,437.69 is: 2,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.99 : 4,619.99 = 1,437.69 : x
  2. Step 2: Convert to fraction form
    3,079.99/4,619.99 = 1,437.69/x
  3. Step 3: Cross multiply
    3,079.99x = 4,619.99 × 1,437.69
  4. Step 4: Simplify right side
    3,079.99x = 6,642,113.42
  5. Step 5: Solve for x
    x = 6,642,113.42/3,079.99
  6. Step 6: Final answer
    x = 2,156.54

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Similar ratio
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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.