Home / 2,387.16-3,293.92-1,339.02

Finding the Fourth Proportional to 2,387.16, 3,293.92 and 1,339.02

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Solution

The fourth proportional to 2,387.16, 3,293.92 and 1,339.02 is: 1,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.16 : 3,293.92 = 1,339.02 : x
  2. Step 2: Convert to fraction form
    2,387.16/3,293.92 = 1,339.02/x
  3. Step 3: Cross multiply
    2,387.16x = 3,293.92 × 1,339.02
  4. Step 4: Simplify right side
    2,387.16x = 4,410,639.46
  5. Step 5: Solve for x
    x = 4,410,639.46/2,387.16
  6. Step 6: Final answer
    x = 1,847.65

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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.