Home / 3,361.91-4,639.59-1,869.84

Finding the Fourth Proportional to 3,361.91, 4,639.59 and 1,869.84

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Solution

The fourth proportional to 3,361.91, 4,639.59 and 1,869.84 is: 2,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.91 : 4,639.59 = 1,869.84 : x
  2. Step 2: Convert to fraction form
    3,361.91/4,639.59 = 1,869.84/x
  3. Step 3: Cross multiply
    3,361.91x = 4,639.59 × 1,869.84
  4. Step 4: Simplify right side
    3,361.91x = 8,675,290.97
  5. Step 5: Solve for x
    x = 8,675,290.97/3,361.91
  6. Step 6: Final answer
    x = 2,580.47

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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.