Home / 2,354.96-3,249.92-1,292.81

Finding the Fourth Proportional to 2,354.96, 3,249.92 and 1,292.81

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Solution

The fourth proportional to 2,354.96, 3,249.92 and 1,292.81 is: 1,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.96 : 3,249.92 = 1,292.81 : x
  2. Step 2: Convert to fraction form
    2,354.96/3,249.92 = 1,292.81/x
  3. Step 3: Cross multiply
    2,354.96x = 3,249.92 × 1,292.81
  4. Step 4: Simplify right side
    2,354.96x = 4,201,516.06
  5. Step 5: Solve for x
    x = 4,201,516.06/2,354.96
  6. Step 6: Final answer
    x = 1,784.11

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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.