Home / 1,922.07-2,883.51-624.45

Finding the Fourth Proportional to 1,922.07, 2,883.51 and 624.45

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Solution

The fourth proportional to 1,922.07, 2,883.51 and 624.45 is: 936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.07 : 2,883.51 = 624.45 : x
  2. Step 2: Convert to fraction form
    1,922.07/2,883.51 = 624.45/x
  3. Step 3: Cross multiply
    1,922.07x = 2,883.51 × 624.45
  4. Step 4: Simplify right side
    1,922.07x = 1,800,607.82
  5. Step 5: Solve for x
    x = 1,800,607.82/1,922.07
  6. Step 6: Final answer
    x = 936.81

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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.