Home / 2,271.29-3,134.73-1,327.64

Finding the Fourth Proportional to 2,271.29, 3,134.73 and 1,327.64

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Solution

The fourth proportional to 2,271.29, 3,134.73 and 1,327.64 is: 1,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.29 : 3,134.73 = 1,327.64 : x
  2. Step 2: Convert to fraction form
    2,271.29/3,134.73 = 1,327.64/x
  3. Step 3: Cross multiply
    2,271.29x = 3,134.73 × 1,327.64
  4. Step 4: Simplify right side
    2,271.29x = 4,161,777.26
  5. Step 5: Solve for x
    x = 4,161,777.26/2,271.29
  6. Step 6: Final answer
    x = 1,832.34

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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.