Home / 2,271.56-3,135.38-1,327.55

Finding the Fourth Proportional to 2,271.56, 3,135.38 and 1,327.55

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Solution

The fourth proportional to 2,271.56, 3,135.38 and 1,327.55 is: 1,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.56 : 3,135.38 = 1,327.55 : x
  2. Step 2: Convert to fraction form
    2,271.56/3,135.38 = 1,327.55/x
  3. Step 3: Cross multiply
    2,271.56x = 3,135.38 × 1,327.55
  4. Step 4: Simplify right side
    2,271.56x = 4,162,351.40
  5. Step 5: Solve for x
    x = 4,162,351.40/2,271.56
  6. Step 6: Final answer
    x = 1,832.38

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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.