Home / 2,827.80-4,244.10-1,270.20

Finding the Fourth Proportional to 2,827.80, 4,244.10 and 1,270.20

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Solution

The fourth proportional to 2,827.80, 4,244.10 and 1,270.20 is: 1,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.80 : 4,244.10 = 1,270.20 : x
  2. Step 2: Convert to fraction form
    2,827.80/4,244.10 = 1,270.20/x
  3. Step 3: Cross multiply
    2,827.80x = 4,244.10 × 1,270.20
  4. Step 4: Simplify right side
    2,827.80x = 5,390,855.82
  5. Step 5: Solve for x
    x = 5,390,855.82/2,827.80
  6. Step 6: Final answer
    x = 1,906.38

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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.