Home / 2,923.40-4,391.72-1,693.82

Finding the Fourth Proportional to 2,923.40, 4,391.72 and 1,693.82

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Solution

The fourth proportional to 2,923.40, 4,391.72 and 1,693.82 is: 2,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.40 : 4,391.72 = 1,693.82 : x
  2. Step 2: Convert to fraction form
    2,923.40/4,391.72 = 1,693.82/x
  3. Step 3: Cross multiply
    2,923.40x = 4,391.72 × 1,693.82
  4. Step 4: Simplify right side
    2,923.40x = 7,438,752.74
  5. Step 5: Solve for x
    x = 7,438,752.74/2,923.40
  6. Step 6: Final answer
    x = 2,544.56

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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.