Home / 3,183.42-4,776.65-1,539.05

Finding the Fourth Proportional to 3,183.42, 4,776.65 and 1,539.05

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Solution

The fourth proportional to 3,183.42, 4,776.65 and 1,539.05 is: 2,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.42 : 4,776.65 = 1,539.05 : x
  2. Step 2: Convert to fraction form
    3,183.42/4,776.65 = 1,539.05/x
  3. Step 3: Cross multiply
    3,183.42x = 4,776.65 × 1,539.05
  4. Step 4: Simplify right side
    3,183.42x = 7,351,495.49
  5. Step 5: Solve for x
    x = 7,351,495.49/3,183.42
  6. Step 6: Final answer
    x = 2,309.31

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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.