Home / 3,361.15-4,638.58-1,869.23

Finding the Fourth Proportional to 3,361.15, 4,638.58 and 1,869.23

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Solution

The fourth proportional to 3,361.15, 4,638.58 and 1,869.23 is: 2,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.15 : 4,638.58 = 1,869.23 : x
  2. Step 2: Convert to fraction form
    3,361.15/4,638.58 = 1,869.23/x
  3. Step 3: Cross multiply
    3,361.15x = 4,638.58 × 1,869.23
  4. Step 4: Simplify right side
    3,361.15x = 8,670,572.89
  5. Step 5: Solve for x
    x = 8,670,572.89/3,361.15
  6. Step 6: Final answer
    x = 2,579.64

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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.