Home / 3,728.74-5,145.80-2,050.28

Finding the Fourth Proportional to 3,728.74, 5,145.80 and 2,050.28

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Solution

The fourth proportional to 3,728.74, 5,145.80 and 2,050.28 is: 2,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.74 : 5,145.80 = 2,050.28 : x
  2. Step 2: Convert to fraction form
    3,728.74/5,145.80 = 2,050.28/x
  3. Step 3: Cross multiply
    3,728.74x = 5,145.80 × 2,050.28
  4. Step 4: Simplify right side
    3,728.74x = 10,550,333.44
  5. Step 5: Solve for x
    x = 10,550,333.44/3,728.74
  6. Step 6: Final answer
    x = 2,829.47

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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.