Home / 3,079.60-4,618.32-1,435.84

Finding the Fourth Proportional to 3,079.60, 4,618.32 and 1,435.84

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Solution

The fourth proportional to 3,079.60, 4,618.32 and 1,435.84 is: 2,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.60 : 4,618.32 = 1,435.84 : x
  2. Step 2: Convert to fraction form
    3,079.60/4,618.32 = 1,435.84/x
  3. Step 3: Cross multiply
    3,079.60x = 4,618.32 × 1,435.84
  4. Step 4: Simplify right side
    3,079.60x = 6,631,168.59
  5. Step 5: Solve for x
    x = 6,631,168.59/3,079.60
  6. Step 6: Final answer
    x = 2,153.26

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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.