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Finding the Fourth Proportional to 2,795.36, 4,193.15 and 847.52

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Solution

The fourth proportional to 2,795.36, 4,193.15 and 847.52 is: 1,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.36 : 4,193.15 = 847.52 : x
  2. Step 2: Convert to fraction form
    2,795.36/4,193.15 = 847.52/x
  3. Step 3: Cross multiply
    2,795.36x = 4,193.15 × 847.52
  4. Step 4: Simplify right side
    2,795.36x = 3,553,753.28
  5. Step 5: Solve for x
    x = 3,553,753.28/2,795.36
  6. Step 6: Final answer
    x = 1,271.30

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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.