Home / 3,183.31-4,777.61-1,624.47

Finding the Fourth Proportional to 3,183.31, 4,777.61 and 1,624.47

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Solution

The fourth proportional to 3,183.31, 4,777.61 and 1,624.47 is: 2,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.31 : 4,777.61 = 1,624.47 : x
  2. Step 2: Convert to fraction form
    3,183.31/4,777.61 = 1,624.47/x
  3. Step 3: Cross multiply
    3,183.31x = 4,777.61 × 1,624.47
  4. Step 4: Simplify right side
    3,183.31x = 7,761,058.08
  5. Step 5: Solve for x
    x = 7,761,058.08/3,183.31
  6. Step 6: Final answer
    x = 2,438.05

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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.