Home / 2,924.82-4,389.03-2,651.40

Finding the Fourth Proportional to 2,924.82, 4,389.03 and 2,651.40

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Solution

The fourth proportional to 2,924.82, 4,389.03 and 2,651.40 is: 3,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.82 : 4,389.03 = 2,651.40 : x
  2. Step 2: Convert to fraction form
    2,924.82/4,389.03 = 2,651.40/x
  3. Step 3: Cross multiply
    2,924.82x = 4,389.03 × 2,651.40
  4. Step 4: Simplify right side
    2,924.82x = 11,637,074.14
  5. Step 5: Solve for x
    x = 11,637,074.14/2,924.82
  6. Step 6: Final answer
    x = 3,978.73

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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.