Home / 3,703.28-5,110.56-2,131.28

Finding the Fourth Proportional to 3,703.28, 5,110.56 and 2,131.28

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Solution

The fourth proportional to 3,703.28, 5,110.56 and 2,131.28 is: 2,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.28 : 5,110.56 = 2,131.28 : x
  2. Step 2: Convert to fraction form
    3,703.28/5,110.56 = 2,131.28/x
  3. Step 3: Cross multiply
    3,703.28x = 5,110.56 × 2,131.28
  4. Step 4: Simplify right side
    3,703.28x = 10,892,034.32
  5. Step 5: Solve for x
    x = 10,892,034.32/3,703.28
  6. Step 6: Final answer
    x = 2,941.19

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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.