Home / 2,848.16-4,270.17-1,921.43

Finding the Fourth Proportional to 2,848.16, 4,270.17 and 1,921.43

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Solution

The fourth proportional to 2,848.16, 4,270.17 and 1,921.43 is: 2,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.16 : 4,270.17 = 1,921.43 : x
  2. Step 2: Convert to fraction form
    2,848.16/4,270.17 = 1,921.43/x
  3. Step 3: Cross multiply
    2,848.16x = 4,270.17 × 1,921.43
  4. Step 4: Simplify right side
    2,848.16x = 8,204,811.39
  5. Step 5: Solve for x
    x = 8,204,811.39/2,848.16
  6. Step 6: Final answer
    x = 2,880.75

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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.