Home / 3,450.53-4,761.72-1,878.59

Finding the Fourth Proportional to 3,450.53, 4,761.72 and 1,878.59

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Solution

The fourth proportional to 3,450.53, 4,761.72 and 1,878.59 is: 2,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.53 : 4,761.72 = 1,878.59 : x
  2. Step 2: Convert to fraction form
    3,450.53/4,761.72 = 1,878.59/x
  3. Step 3: Cross multiply
    3,450.53x = 4,761.72 × 1,878.59
  4. Step 4: Simplify right side
    3,450.53x = 8,945,331.48
  5. Step 5: Solve for x
    x = 8,945,331.48/3,450.53
  6. Step 6: Final answer
    x = 2,592.45

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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.