Home / 3,450.05-4,761.04-1,878.14

Finding the Fourth Proportional to 3,450.05, 4,761.04 and 1,878.14

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Solution

The fourth proportional to 3,450.05, 4,761.04 and 1,878.14 is: 2,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.05 : 4,761.04 = 1,878.14 : x
  2. Step 2: Convert to fraction form
    3,450.05/4,761.04 = 1,878.14/x
  3. Step 3: Cross multiply
    3,450.05x = 4,761.04 × 1,878.14
  4. Step 4: Simplify right side
    3,450.05x = 8,941,899.67
  5. Step 5: Solve for x
    x = 8,941,899.67/3,450.05
  6. Step 6: Final answer
    x = 2,591.82

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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.