Home / 2,848.63-4,270.82-1,921.59

Finding the Fourth Proportional to 2,848.63, 4,270.82 and 1,921.59

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Solution

The fourth proportional to 2,848.63, 4,270.82 and 1,921.59 is: 2,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.63 : 4,270.82 = 1,921.59 : x
  2. Step 2: Convert to fraction form
    2,848.63/4,270.82 = 1,921.59/x
  3. Step 3: Cross multiply
    2,848.63x = 4,270.82 × 1,921.59
  4. Step 4: Simplify right side
    2,848.63x = 8,206,765.00
  5. Step 5: Solve for x
    x = 8,206,765.00/2,848.63
  6. Step 6: Final answer
    x = 2,880.95

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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.