Home / 2,844.07-3,921.46-1,948.24

Finding the Fourth Proportional to 2,844.07, 3,921.46 and 1,948.24

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Solution

The fourth proportional to 2,844.07, 3,921.46 and 1,948.24 is: 2,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.07 : 3,921.46 = 1,948.24 : x
  2. Step 2: Convert to fraction form
    2,844.07/3,921.46 = 1,948.24/x
  3. Step 3: Cross multiply
    2,844.07x = 3,921.46 × 1,948.24
  4. Step 4: Simplify right side
    2,844.07x = 7,639,945.23
  5. Step 5: Solve for x
    x = 7,639,945.23/2,844.07
  6. Step 6: Final answer
    x = 2,686.27

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Double scale
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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.