Home / 3,079.17-4,619.28-1,230.36

Finding the Fourth Proportional to 3,079.17, 4,619.28 and 1,230.36

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Solution

The fourth proportional to 3,079.17, 4,619.28 and 1,230.36 is: 1,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.17 : 4,619.28 = 1,230.36 : x
  2. Step 2: Convert to fraction form
    3,079.17/4,619.28 = 1,230.36/x
  3. Step 3: Cross multiply
    3,079.17x = 4,619.28 × 1,230.36
  4. Step 4: Simplify right side
    3,079.17x = 5,683,377.34
  5. Step 5: Solve for x
    x = 5,683,377.34/3,079.17
  6. Step 6: Final answer
    x = 1,845.75

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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.