Home / 2,860.08-4,289.88-1,941.54

Finding the Fourth Proportional to 2,860.08, 4,289.88 and 1,941.54

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Solution

The fourth proportional to 2,860.08, 4,289.88 and 1,941.54 is: 2,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.08 : 4,289.88 = 1,941.54 : x
  2. Step 2: Convert to fraction form
    2,860.08/4,289.88 = 1,941.54/x
  3. Step 3: Cross multiply
    2,860.08x = 4,289.88 × 1,941.54
  4. Step 4: Simplify right side
    2,860.08x = 8,328,973.62
  5. Step 5: Solve for x
    x = 8,328,973.62/2,860.08
  6. Step 6: Final answer
    x = 2,912.15

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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.