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Finding the Fourth Proportional to 2,795.46, 4,193.18 and 847.66

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Solution

The fourth proportional to 2,795.46, 4,193.18 and 847.66 is: 1,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.46 : 4,193.18 = 847.66 : x
  2. Step 2: Convert to fraction form
    2,795.46/4,193.18 = 847.66/x
  3. Step 3: Cross multiply
    2,795.46x = 4,193.18 × 847.66
  4. Step 4: Simplify right side
    2,795.46x = 3,554,390.96
  5. Step 5: Solve for x
    x = 3,554,390.96/2,795.46
  6. Step 6: Final answer
    x = 1,271.49

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1.5x scale

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.