Home / 4,278.43-5,903.87-2,389.98

Finding the Fourth Proportional to 4,278.43, 5,903.87 and 2,389.98

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Solution

The fourth proportional to 4,278.43, 5,903.87 and 2,389.98 is: 3,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.43 : 5,903.87 = 2,389.98 : x
  2. Step 2: Convert to fraction form
    4,278.43/5,903.87 = 2,389.98/x
  3. Step 3: Cross multiply
    4,278.43x = 5,903.87 × 2,389.98
  4. Step 4: Simplify right side
    4,278.43x = 14,110,148.33
  5. Step 5: Solve for x
    x = 14,110,148.33/4,278.43
  6. Step 6: Final answer
    x = 3,297.97

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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.