Home / 3,148.94-4,717.23-2,878.29

Finding the Fourth Proportional to 3,148.94, 4,717.23 and 2,878.29

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Solution

The fourth proportional to 3,148.94, 4,717.23 and 2,878.29 is: 4,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.94 : 4,717.23 = 2,878.29 : x
  2. Step 2: Convert to fraction form
    3,148.94/4,717.23 = 2,878.29/x
  3. Step 3: Cross multiply
    3,148.94x = 4,717.23 × 2,878.29
  4. Step 4: Simplify right side
    3,148.94x = 13,577,555.94
  5. Step 5: Solve for x
    x = 13,577,555.94/3,148.94
  6. Step 6: Final answer
    x = 4,311.79

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1.5x scale

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.