Home / 3,036.58-4,190.67-2,289.22

Finding the Fourth Proportional to 3,036.58, 4,190.67 and 2,289.22

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Solution

The fourth proportional to 3,036.58, 4,190.67 and 2,289.22 is: 3,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.58 : 4,190.67 = 2,289.22 : x
  2. Step 2: Convert to fraction form
    3,036.58/4,190.67 = 2,289.22/x
  3. Step 3: Cross multiply
    3,036.58x = 4,190.67 × 2,289.22
  4. Step 4: Simplify right side
    3,036.58x = 9,593,355.10
  5. Step 5: Solve for x
    x = 9,593,355.10/3,036.58
  6. Step 6: Final answer
    x = 3,159.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.