Home / 3,450.32-4,761.45-1,878.41

Finding the Fourth Proportional to 3,450.32, 4,761.45 and 1,878.41

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Solution

The fourth proportional to 3,450.32, 4,761.45 and 1,878.41 is: 2,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.32 : 4,761.45 = 1,878.41 : x
  2. Step 2: Convert to fraction form
    3,450.32/4,761.45 = 1,878.41/x
  3. Step 3: Cross multiply
    3,450.32x = 4,761.45 × 1,878.41
  4. Step 4: Simplify right side
    3,450.32x = 8,943,955.29
  5. Step 5: Solve for x
    x = 8,943,955.29/3,450.32
  6. Step 6: Final answer
    x = 2,592.21

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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.