Home / 3,007.90-4,153.74-2,844.28

Finding the Fourth Proportional to 3,007.90, 4,153.74 and 2,844.28

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Solution

The fourth proportional to 3,007.90, 4,153.74 and 2,844.28 is: 3,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.90 : 4,153.74 = 2,844.28 : x
  2. Step 2: Convert to fraction form
    3,007.90/4,153.74 = 2,844.28/x
  3. Step 3: Cross multiply
    3,007.90x = 4,153.74 × 2,844.28
  4. Step 4: Simplify right side
    3,007.90x = 11,814,399.61
  5. Step 5: Solve for x
    x = 11,814,399.61/3,007.90
  6. Step 6: Final answer
    x = 3,927.79

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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.