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Finding the Fourth Proportional to 2,964.57, 4,446.23 and 1,907.21

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Solution

The fourth proportional to 2,964.57, 4,446.23 and 1,907.21 is: 2,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.57 : 4,446.23 = 1,907.21 : x
  2. Step 2: Convert to fraction form
    2,964.57/4,446.23 = 1,907.21/x
  3. Step 3: Cross multiply
    2,964.57x = 4,446.23 × 1,907.21
  4. Step 4: Simplify right side
    2,964.57x = 8,479,862.55
  5. Step 5: Solve for x
    x = 8,479,862.55/2,964.57
  6. Step 6: Final answer
    x = 2,860.40

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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.