Home / 3,703.46-5,110.77-2,131.55

Finding the Fourth Proportional to 3,703.46, 5,110.77 and 2,131.55

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Solution

The fourth proportional to 3,703.46, 5,110.77 and 2,131.55 is: 2,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.46 : 5,110.77 = 2,131.55 : x
  2. Step 2: Convert to fraction form
    3,703.46/5,110.77 = 2,131.55/x
  3. Step 3: Cross multiply
    3,703.46x = 5,110.77 × 2,131.55
  4. Step 4: Simplify right side
    3,703.46x = 10,893,836.24
  5. Step 5: Solve for x
    x = 10,893,836.24/3,703.46
  6. Step 6: Final answer
    x = 2,941.53

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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.