Home / 1,365.18-1,883.23-923.23

Finding the Fourth Proportional to 1,365.18, 1,883.23 and 923.23

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Solution

The fourth proportional to 1,365.18, 1,883.23 and 923.23 is: 1,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.18 : 1,883.23 = 923.23 : x
  2. Step 2: Convert to fraction form
    1,365.18/1,883.23 = 923.23/x
  3. Step 3: Cross multiply
    1,365.18x = 1,883.23 × 923.23
  4. Step 4: Simplify right side
    1,365.18x = 1,738,654.43
  5. Step 5: Solve for x
    x = 1,738,654.43/1,365.18
  6. Step 6: Final answer
    x = 1,273.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.