Home / 3,079.59-4,619.39-1,436.63

Finding the Fourth Proportional to 3,079.59, 4,619.39 and 1,436.63

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Solution

The fourth proportional to 3,079.59, 4,619.39 and 1,436.63 is: 2,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.59 : 4,619.39 = 1,436.63 : x
  2. Step 2: Convert to fraction form
    3,079.59/4,619.39 = 1,436.63/x
  3. Step 3: Cross multiply
    3,079.59x = 4,619.39 × 1,436.63
  4. Step 4: Simplify right side
    3,079.59x = 6,636,354.26
  5. Step 5: Solve for x
    x = 6,636,354.26/3,079.59
  6. Step 6: Final answer
    x = 2,154.95

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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.