Home / 3,361.35-4,638.66-1,869.42

Finding the Fourth Proportional to 3,361.35, 4,638.66 and 1,869.42

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Solution

The fourth proportional to 3,361.35, 4,638.66 and 1,869.42 is: 2,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.35 : 4,638.66 = 1,869.42 : x
  2. Step 2: Convert to fraction form
    3,361.35/4,638.66 = 1,869.42/x
  3. Step 3: Cross multiply
    3,361.35x = 4,638.66 × 1,869.42
  4. Step 4: Simplify right side
    3,361.35x = 8,671,603.78
  5. Step 5: Solve for x
    x = 8,671,603.78/3,361.35
  6. Step 6: Final answer
    x = 2,579.80

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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.