Home / 2,384.93-3,290.58-1,439.97

Finding the Fourth Proportional to 2,384.93, 3,290.58 and 1,439.97

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Solution

The fourth proportional to 2,384.93, 3,290.58 and 1,439.97 is: 1,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.93 : 3,290.58 = 1,439.97 : x
  2. Step 2: Convert to fraction form
    2,384.93/3,290.58 = 1,439.97/x
  3. Step 3: Cross multiply
    2,384.93x = 3,290.58 × 1,439.97
  4. Step 4: Simplify right side
    2,384.93x = 4,738,336.48
  5. Step 5: Solve for x
    x = 4,738,336.48/2,384.93
  6. Step 6: Final answer
    x = 1,986.79

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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.