Home / 4,078.94-5,628.93-2,310.65

Finding the Fourth Proportional to 4,078.94, 5,628.93 and 2,310.65

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Solution

The fourth proportional to 4,078.94, 5,628.93 and 2,310.65 is: 3,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.94 : 5,628.93 = 2,310.65 : x
  2. Step 2: Convert to fraction form
    4,078.94/5,628.93 = 2,310.65/x
  3. Step 3: Cross multiply
    4,078.94x = 5,628.93 × 2,310.65
  4. Step 4: Simplify right side
    4,078.94x = 13,006,487.10
  5. Step 5: Solve for x
    x = 13,006,487.10/4,078.94
  6. Step 6: Final answer
    x = 3,188.69

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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.