Home / 3,079.63-4,619.45-1,436.95

Finding the Fourth Proportional to 3,079.63, 4,619.45 and 1,436.95

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Solution

The fourth proportional to 3,079.63, 4,619.45 and 1,436.95 is: 2,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.63 : 4,619.45 = 1,436.95 : x
  2. Step 2: Convert to fraction form
    3,079.63/4,619.45 = 1,436.95/x
  3. Step 3: Cross multiply
    3,079.63x = 4,619.45 × 1,436.95
  4. Step 4: Simplify right side
    3,079.63x = 6,637,918.68
  5. Step 5: Solve for x
    x = 6,637,918.68/3,079.63
  6. Step 6: Final answer
    x = 2,155.43

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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.