Home / 2,729.96-4,096.16-1,431.13

Finding the Fourth Proportional to 2,729.96, 4,096.16 and 1,431.13

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Solution

The fourth proportional to 2,729.96, 4,096.16 and 1,431.13 is: 2,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.96 : 4,096.16 = 1,431.13 : x
  2. Step 2: Convert to fraction form
    2,729.96/4,096.16 = 1,431.13/x
  3. Step 3: Cross multiply
    2,729.96x = 4,096.16 × 1,431.13
  4. Step 4: Simplify right side
    2,729.96x = 5,862,137.46
  5. Step 5: Solve for x
    x = 5,862,137.46/2,729.96
  6. Step 6: Final answer
    x = 2,147.33

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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.