Home / 3,450.34-4,761.48-1,878.43

Finding the Fourth Proportional to 3,450.34, 4,761.48 and 1,878.43

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Solution

The fourth proportional to 3,450.34, 4,761.48 and 1,878.43 is: 2,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.34 : 4,761.48 = 1,878.43 : x
  2. Step 2: Convert to fraction form
    3,450.34/4,761.48 = 1,878.43/x
  3. Step 3: Cross multiply
    3,450.34x = 4,761.48 × 1,878.43
  4. Step 4: Simplify right side
    3,450.34x = 8,944,106.88
  5. Step 5: Solve for x
    x = 8,944,106.88/3,450.34
  6. Step 6: Final answer
    x = 2,592.24

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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.