Home / 3,703.85-5,111.30-2,025.28

Finding the Fourth Proportional to 3,703.85, 5,111.30 and 2,025.28

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Solution

The fourth proportional to 3,703.85, 5,111.30 and 2,025.28 is: 2,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.85 : 5,111.30 = 2,025.28 : x
  2. Step 2: Convert to fraction form
    3,703.85/5,111.30 = 2,025.28/x
  3. Step 3: Cross multiply
    3,703.85x = 5,111.30 × 2,025.28
  4. Step 4: Simplify right side
    3,703.85x = 10,351,810.74
  5. Step 5: Solve for x
    x = 10,351,810.74/3,703.85
  6. Step 6: Final answer
    x = 2,794.88

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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.