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Finding the Fourth Proportional to 1,114.41, 1,669.92 and 882.33

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Solution

The fourth proportional to 1,114.41, 1,669.92 and 882.33 is: 1,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.41 : 1,669.92 = 882.33 : x
  2. Step 2: Convert to fraction form
    1,114.41/1,669.92 = 882.33/x
  3. Step 3: Cross multiply
    1,114.41x = 1,669.92 × 882.33
  4. Step 4: Simplify right side
    1,114.41x = 1,473,420.51
  5. Step 5: Solve for x
    x = 1,473,420.51/1,114.41
  6. Step 6: Final answer
    x = 1,322.15

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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.