Home / 2,383.32-3,574.53-1,923.78

Finding the Fourth Proportional to 2,383.32, 3,574.53 and 1,923.78

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Solution

The fourth proportional to 2,383.32, 3,574.53 and 1,923.78 is: 2,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.32 : 3,574.53 = 1,923.78 : x
  2. Step 2: Convert to fraction form
    2,383.32/3,574.53 = 1,923.78/x
  3. Step 3: Cross multiply
    2,383.32x = 3,574.53 × 1,923.78
  4. Step 4: Simplify right side
    2,383.32x = 6,876,609.32
  5. Step 5: Solve for x
    x = 6,876,609.32/2,383.32
  6. Step 6: Final answer
    x = 2,885.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.