Home / 3,919.78-5,870.62-2,356.35

Finding the Fourth Proportional to 3,919.78, 5,870.62 and 2,356.35

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Solution

The fourth proportional to 3,919.78, 5,870.62 and 2,356.35 is: 3,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.78 : 5,870.62 = 2,356.35 : x
  2. Step 2: Convert to fraction form
    3,919.78/5,870.62 = 2,356.35/x
  3. Step 3: Cross multiply
    3,919.78x = 5,870.62 × 2,356.35
  4. Step 4: Simplify right side
    3,919.78x = 13,833,244.87
  5. Step 5: Solve for x
    x = 13,833,244.87/3,919.78
  6. Step 6: Final answer
    x = 3,529.09

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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.