Home / 2,270.06-3,134.68-1,432.26

Finding the Fourth Proportional to 2,270.06, 3,134.68 and 1,432.26

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Solution

The fourth proportional to 2,270.06, 3,134.68 and 1,432.26 is: 1,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.06 : 3,134.68 = 1,432.26 : x
  2. Step 2: Convert to fraction form
    2,270.06/3,134.68 = 1,432.26/x
  3. Step 3: Cross multiply
    2,270.06x = 3,134.68 × 1,432.26
  4. Step 4: Simplify right side
    2,270.06x = 4,489,676.78
  5. Step 5: Solve for x
    x = 4,489,676.78/2,270.06
  6. Step 6: Final answer
    x = 1,977.78

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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.