Home / 3,513.80-4,849.04-1,941.90

Finding the Fourth Proportional to 3,513.80, 4,849.04 and 1,941.90

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Solution

The fourth proportional to 3,513.80, 4,849.04 and 1,941.90 is: 2,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.80 : 4,849.04 = 1,941.90 : x
  2. Step 2: Convert to fraction form
    3,513.80/4,849.04 = 1,941.90/x
  3. Step 3: Cross multiply
    3,513.80x = 4,849.04 × 1,941.90
  4. Step 4: Simplify right side
    3,513.80x = 9,416,337.45
  5. Step 5: Solve for x
    x = 9,416,337.45/3,513.80
  6. Step 6: Final answer
    x = 2,679.81

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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.