Home / 1,540.44-2,307.60-922.42

Finding the Fourth Proportional to 1,540.44, 2,307.60 and 922.42

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Solution

The fourth proportional to 1,540.44, 2,307.60 and 922.42 is: 1,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.44 : 2,307.60 = 922.42 : x
  2. Step 2: Convert to fraction form
    1,540.44/2,307.60 = 922.42/x
  3. Step 3: Cross multiply
    1,540.44x = 2,307.60 × 922.42
  4. Step 4: Simplify right side
    1,540.44x = 2,128,576.39
  5. Step 5: Solve for x
    x = 2,128,576.39/1,540.44
  6. Step 6: Final answer
    x = 1,381.80

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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.