Home / 3,354.68-4,629.69-1,938.62

Finding the Fourth Proportional to 3,354.68, 4,629.69 and 1,938.62

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Solution

The fourth proportional to 3,354.68, 4,629.69 and 1,938.62 is: 2,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.68 : 4,629.69 = 1,938.62 : x
  2. Step 2: Convert to fraction form
    3,354.68/4,629.69 = 1,938.62/x
  3. Step 3: Cross multiply
    3,354.68x = 4,629.69 × 1,938.62
  4. Step 4: Simplify right side
    3,354.68x = 8,975,209.63
  5. Step 5: Solve for x
    x = 8,975,209.63/3,354.68
  6. Step 6: Final answer
    x = 2,675.43

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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.