Home / 2,848.36-3,930.81-1,589.41

Finding the Fourth Proportional to 2,848.36, 3,930.81 and 1,589.41

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Solution

The fourth proportional to 2,848.36, 3,930.81 and 1,589.41 is: 2,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.36 : 3,930.81 = 1,589.41 : x
  2. Step 2: Convert to fraction form
    2,848.36/3,930.81 = 1,589.41/x
  3. Step 3: Cross multiply
    2,848.36x = 3,930.81 × 1,589.41
  4. Step 4: Simplify right side
    2,848.36x = 6,247,668.72
  5. Step 5: Solve for x
    x = 6,247,668.72/2,848.36
  6. Step 6: Final answer
    x = 2,193.43

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1.5x scale

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.