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Finding the Fourth Proportional to 3,166.55, 4,369.99 and 1,907.99

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Solution

The fourth proportional to 3,166.55, 4,369.99 and 1,907.99 is: 2,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.55 : 4,369.99 = 1,907.99 : x
  2. Step 2: Convert to fraction form
    3,166.55/4,369.99 = 1,907.99/x
  3. Step 3: Cross multiply
    3,166.55x = 4,369.99 × 1,907.99
  4. Step 4: Simplify right side
    3,166.55x = 8,337,870.60
  5. Step 5: Solve for x
    x = 8,337,870.60/3,166.55
  6. Step 6: Final answer
    x = 2,633.11

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1.5x scale

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.