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Finding the Fourth Proportional to 1,782.54, 2,673.42 and 1,295.82

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Solution

The fourth proportional to 1,782.54, 2,673.42 and 1,295.82 is: 1,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.54 : 2,673.42 = 1,295.82 : x
  2. Step 2: Convert to fraction form
    1,782.54/2,673.42 = 1,295.82/x
  3. Step 3: Cross multiply
    1,782.54x = 2,673.42 × 1,295.82
  4. Step 4: Simplify right side
    1,782.54x = 3,464,271.10
  5. Step 5: Solve for x
    x = 3,464,271.10/1,782.54
  6. Step 6: Final answer
    x = 1,943.45

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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.