Home / 1,913.73-2,868.93-1,623.12

Finding the Fourth Proportional to 1,913.73, 2,868.93 and 1,623.12

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Solution

The fourth proportional to 1,913.73, 2,868.93 and 1,623.12 is: 2,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.73 : 2,868.93 = 1,623.12 : x
  2. Step 2: Convert to fraction form
    1,913.73/2,868.93 = 1,623.12/x
  3. Step 3: Cross multiply
    1,913.73x = 2,868.93 × 1,623.12
  4. Step 4: Simplify right side
    1,913.73x = 4,656,617.66
  5. Step 5: Solve for x
    x = 4,656,617.66/1,913.73
  6. Step 6: Final answer
    x = 2,433.27

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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.