Home / 3,450.17-4,761.27-1,878.28

Finding the Fourth Proportional to 3,450.17, 4,761.27 and 1,878.28

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Solution

The fourth proportional to 3,450.17, 4,761.27 and 1,878.28 is: 2,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.17 : 4,761.27 = 1,878.28 : x
  2. Step 2: Convert to fraction form
    3,450.17/4,761.27 = 1,878.28/x
  3. Step 3: Cross multiply
    3,450.17x = 4,761.27 × 1,878.28
  4. Step 4: Simplify right side
    3,450.17x = 8,942,986.31
  5. Step 5: Solve for x
    x = 8,942,986.31/3,450.17
  6. Step 6: Final answer
    x = 2,592.04

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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.