Home / 1,505.44-2,243.38-1,455.89

Finding the Fourth Proportional to 1,505.44, 2,243.38 and 1,455.89

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Solution

The fourth proportional to 1,505.44, 2,243.38 and 1,455.89 is: 2,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.44 : 2,243.38 = 1,455.89 : x
  2. Step 2: Convert to fraction form
    1,505.44/2,243.38 = 1,455.89/x
  3. Step 3: Cross multiply
    1,505.44x = 2,243.38 × 1,455.89
  4. Step 4: Simplify right side
    1,505.44x = 3,266,125.87
  5. Step 5: Solve for x
    x = 3,266,125.87/1,505.44
  6. Step 6: Final answer
    x = 2,169.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.