Home / 2,848.19-3,930.41-1,589.22

Finding the Fourth Proportional to 2,848.19, 3,930.41 and 1,589.22

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Solution

The fourth proportional to 2,848.19, 3,930.41 and 1,589.22 is: 2,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.19 : 3,930.41 = 1,589.22 : x
  2. Step 2: Convert to fraction form
    2,848.19/3,930.41 = 1,589.22/x
  3. Step 3: Cross multiply
    2,848.19x = 3,930.41 × 1,589.22
  4. Step 4: Simplify right side
    2,848.19x = 6,246,290.15
  5. Step 5: Solve for x
    x = 6,246,290.15/2,848.19
  6. Step 6: Final answer
    x = 2,193.08

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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.