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Finding the Fourth Proportional to 1,703.96, 2,556.75 and 882.08

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Solution

The fourth proportional to 1,703.96, 2,556.75 and 882.08 is: 1,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.96 : 2,556.75 = 882.08 : x
  2. Step 2: Convert to fraction form
    1,703.96/2,556.75 = 882.08/x
  3. Step 3: Cross multiply
    1,703.96x = 2,556.75 × 882.08
  4. Step 4: Simplify right side
    1,703.96x = 2,255,258.04
  5. Step 5: Solve for x
    x = 2,255,258.04/1,703.96
  6. Step 6: Final answer
    x = 1,323.54

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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.