Home / 3,169.37-4,752.70-1,089.58

Finding the Fourth Proportional to 3,169.37, 4,752.70 and 1,089.58

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Solution

The fourth proportional to 3,169.37, 4,752.70 and 1,089.58 is: 1,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.37 : 4,752.70 = 1,089.58 : x
  2. Step 2: Convert to fraction form
    3,169.37/4,752.70 = 1,089.58/x
  3. Step 3: Cross multiply
    3,169.37x = 4,752.70 × 1,089.58
  4. Step 4: Simplify right side
    3,169.37x = 5,178,446.87
  5. Step 5: Solve for x
    x = 5,178,446.87/3,169.37
  6. Step 6: Final answer
    x = 1,633.90

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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.