Home / 2,848.60-3,930.83-1,589.56

Finding the Fourth Proportional to 2,848.60, 3,930.83 and 1,589.56

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Solution

The fourth proportional to 2,848.60, 3,930.83 and 1,589.56 is: 2,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.60 : 3,930.83 = 1,589.56 : x
  2. Step 2: Convert to fraction form
    2,848.60/3,930.83 = 1,589.56/x
  3. Step 3: Cross multiply
    2,848.60x = 3,930.83 × 1,589.56
  4. Step 4: Simplify right side
    2,848.60x = 6,248,290.13
  5. Step 5: Solve for x
    x = 6,248,290.13/2,848.60
  6. Step 6: Final answer
    x = 2,193.46

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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.