Home / 3,078.26-4,621.48-1,435.96

Finding the Fourth Proportional to 3,078.26, 4,621.48 and 1,435.96

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Solution

The fourth proportional to 3,078.26, 4,621.48 and 1,435.96 is: 2,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.26 : 4,621.48 = 1,435.96 : x
  2. Step 2: Convert to fraction form
    3,078.26/4,621.48 = 1,435.96/x
  3. Step 3: Cross multiply
    3,078.26x = 4,621.48 × 1,435.96
  4. Step 4: Simplify right side
    3,078.26x = 6,636,237.31
  5. Step 5: Solve for x
    x = 6,636,237.31/3,078.26
  6. Step 6: Final answer
    x = 2,155.84

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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.