Home / 1,283.30-1,923.43-589.38

Finding the Fourth Proportional to 1,283.30, 1,923.43 and 589.38

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Solution

The fourth proportional to 1,283.30, 1,923.43 and 589.38 is: 883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.30 : 1,923.43 = 589.38 : x
  2. Step 2: Convert to fraction form
    1,283.30/1,923.43 = 589.38/x
  3. Step 3: Cross multiply
    1,283.30x = 1,923.43 × 589.38
  4. Step 4: Simplify right side
    1,283.30x = 1,133,628.23
  5. Step 5: Solve for x
    x = 1,133,628.23/1,283.30
  6. Step 6: Final answer
    x = 883.37

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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.