Home / 1,935.33-2,907.74-1,242.29

Finding the Fourth Proportional to 1,935.33, 2,907.74 and 1,242.29

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Solution

The fourth proportional to 1,935.33, 2,907.74 and 1,242.29 is: 1,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.33 : 2,907.74 = 1,242.29 : x
  2. Step 2: Convert to fraction form
    1,935.33/2,907.74 = 1,242.29/x
  3. Step 3: Cross multiply
    1,935.33x = 2,907.74 × 1,242.29
  4. Step 4: Simplify right side
    1,935.33x = 3,612,244.89
  5. Step 5: Solve for x
    x = 3,612,244.89/1,935.33
  6. Step 6: Final answer
    x = 1,866.47

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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.