Home / 2,134.55-3,201.19-1,146.76

Finding the Fourth Proportional to 2,134.55, 3,201.19 and 1,146.76

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Solution

The fourth proportional to 2,134.55, 3,201.19 and 1,146.76 is: 1,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.55 : 3,201.19 = 1,146.76 : x
  2. Step 2: Convert to fraction form
    2,134.55/3,201.19 = 1,146.76/x
  3. Step 3: Cross multiply
    2,134.55x = 3,201.19 × 1,146.76
  4. Step 4: Simplify right side
    2,134.55x = 3,670,985.77
  5. Step 5: Solve for x
    x = 3,670,985.77/2,134.55
  6. Step 6: Final answer
    x = 1,719.79

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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.