Home / 3,703.96-5,110.95-2,131.75

Finding the Fourth Proportional to 3,703.96, 5,110.95 and 2,131.75

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Solution

The fourth proportional to 3,703.96, 5,110.95 and 2,131.75 is: 2,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.96 : 5,110.95 = 2,131.75 : x
  2. Step 2: Convert to fraction form
    3,703.96/5,110.95 = 2,131.75/x
  3. Step 3: Cross multiply
    3,703.96x = 5,110.95 × 2,131.75
  4. Step 4: Simplify right side
    3,703.96x = 10,895,267.66
  5. Step 5: Solve for x
    x = 10,895,267.66/3,703.96
  6. Step 6: Final answer
    x = 2,941.52

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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.