Home / 3,354.57-4,629.69-1,938.42

Finding the Fourth Proportional to 3,354.57, 4,629.69 and 1,938.42

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Solution

The fourth proportional to 3,354.57, 4,629.69 and 1,938.42 is: 2,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.57 : 4,629.69 = 1,938.42 : x
  2. Step 2: Convert to fraction form
    3,354.57/4,629.69 = 1,938.42/x
  3. Step 3: Cross multiply
    3,354.57x = 4,629.69 × 1,938.42
  4. Step 4: Simplify right side
    3,354.57x = 8,974,283.69
  5. Step 5: Solve for x
    x = 8,974,283.69/3,354.57
  6. Step 6: Final answer
    x = 2,675.24

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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.