Home / 3,703.26-5,111.06-2,131.05

Finding the Fourth Proportional to 3,703.26, 5,111.06 and 2,131.05

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Solution

The fourth proportional to 3,703.26, 5,111.06 and 2,131.05 is: 2,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.26 : 5,111.06 = 2,131.05 : x
  2. Step 2: Convert to fraction form
    3,703.26/5,111.06 = 2,131.05/x
  3. Step 3: Cross multiply
    3,703.26x = 5,111.06 × 2,131.05
  4. Step 4: Simplify right side
    3,703.26x = 10,891,913.76
  5. Step 5: Solve for x
    x = 10,891,913.76/3,703.26
  6. Step 6: Final answer
    x = 2,941.17

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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.