Home / 2,387.23-3,293.62-1,392.37

Finding the Fourth Proportional to 2,387.23, 3,293.62 and 1,392.37

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Solution

The fourth proportional to 2,387.23, 3,293.62 and 1,392.37 is: 1,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.23 : 3,293.62 = 1,392.37 : x
  2. Step 2: Convert to fraction form
    2,387.23/3,293.62 = 1,392.37/x
  3. Step 3: Cross multiply
    2,387.23x = 3,293.62 × 1,392.37
  4. Step 4: Simplify right side
    2,387.23x = 4,585,925.96
  5. Step 5: Solve for x
    x = 4,585,925.96/2,387.23
  6. Step 6: Final answer
    x = 1,921.03

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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.