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Finding the Fourth Proportional to 1,503.52, 2,074.96 and 882.64

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Solution

The fourth proportional to 1,503.52, 2,074.96 and 882.64 is: 1,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.52 : 2,074.96 = 882.64 : x
  2. Step 2: Convert to fraction form
    1,503.52/2,074.96 = 882.64/x
  3. Step 3: Cross multiply
    1,503.52x = 2,074.96 × 882.64
  4. Step 4: Simplify right side
    1,503.52x = 1,831,442.69
  5. Step 5: Solve for x
    x = 1,831,442.69/1,503.52
  6. Step 6: Final answer
    x = 1,218.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.