Home / 2,848.20-4,274.46-1,921.56

Finding the Fourth Proportional to 2,848.20, 4,274.46 and 1,921.56

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Solution

The fourth proportional to 2,848.20, 4,274.46 and 1,921.56 is: 2,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.20 : 4,274.46 = 1,921.56 : x
  2. Step 2: Convert to fraction form
    2,848.20/4,274.46 = 1,921.56/x
  3. Step 3: Cross multiply
    2,848.20x = 4,274.46 × 1,921.56
  4. Step 4: Simplify right side
    2,848.20x = 8,213,631.36
  5. Step 5: Solve for x
    x = 8,213,631.36/2,848.20
  6. Step 6: Final answer
    x = 2,883.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.