Home / 2,844.18-3,923.28-1,724.22

Finding the Fourth Proportional to 2,844.18, 3,923.28 and 1,724.22

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Solution

The fourth proportional to 2,844.18, 3,923.28 and 1,724.22 is: 2,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.18 : 3,923.28 = 1,724.22 : x
  2. Step 2: Convert to fraction form
    2,844.18/3,923.28 = 1,724.22/x
  3. Step 3: Cross multiply
    2,844.18x = 3,923.28 × 1,724.22
  4. Step 4: Simplify right side
    2,844.18x = 6,764,597.84
  5. Step 5: Solve for x
    x = 6,764,597.84/2,844.18
  6. Step 6: Final answer
    x = 2,378.40

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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.