Home / 2,387.19-3,293.96-1,339.05

Finding the Fourth Proportional to 2,387.19, 3,293.96 and 1,339.05

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Solution

The fourth proportional to 2,387.19, 3,293.96 and 1,339.05 is: 1,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.19 : 3,293.96 = 1,339.05 : x
  2. Step 2: Convert to fraction form
    2,387.19/3,293.96 = 1,339.05/x
  3. Step 3: Cross multiply
    2,387.19x = 3,293.96 × 1,339.05
  4. Step 4: Simplify right side
    2,387.19x = 4,410,770.44
  5. Step 5: Solve for x
    x = 4,410,770.44/2,387.19
  6. Step 6: Final answer
    x = 1,847.68

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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.