Home / 4,078.96-5,628.59-2,377.18

Finding the Fourth Proportional to 4,078.96, 5,628.59 and 2,377.18

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Solution

The fourth proportional to 4,078.96, 5,628.59 and 2,377.18 is: 3,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.96 : 5,628.59 = 2,377.18 : x
  2. Step 2: Convert to fraction form
    4,078.96/5,628.59 = 2,377.18/x
  3. Step 3: Cross multiply
    4,078.96x = 5,628.59 × 2,377.18
  4. Step 4: Simplify right side
    4,078.96x = 13,380,175.64
  5. Step 5: Solve for x
    x = 13,380,175.64/4,078.96
  6. Step 6: Final answer
    x = 3,280.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.