Home / 2,614.16-3,923.68-1,790.40

Finding the Fourth Proportional to 2,614.16, 3,923.68 and 1,790.40

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Solution

The fourth proportional to 2,614.16, 3,923.68 and 1,790.40 is: 2,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.16 : 3,923.68 = 1,790.40 : x
  2. Step 2: Convert to fraction form
    2,614.16/3,923.68 = 1,790.40/x
  3. Step 3: Cross multiply
    2,614.16x = 3,923.68 × 1,790.40
  4. Step 4: Simplify right side
    2,614.16x = 7,024,956.67
  5. Step 5: Solve for x
    x = 7,024,956.67/2,614.16
  6. Step 6: Final answer
    x = 2,687.27

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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.