Home / 3,036.62-4,188.21-2,290.70

Finding the Fourth Proportional to 3,036.62, 4,188.21 and 2,290.70

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Solution

The fourth proportional to 3,036.62, 4,188.21 and 2,290.70 is: 3,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.62 : 4,188.21 = 2,290.70 : x
  2. Step 2: Convert to fraction form
    3,036.62/4,188.21 = 2,290.70/x
  3. Step 3: Cross multiply
    3,036.62x = 4,188.21 × 2,290.70
  4. Step 4: Simplify right side
    3,036.62x = 9,593,932.65
  5. Step 5: Solve for x
    x = 9,593,932.65/3,036.62
  6. Step 6: Final answer
    x = 3,159.41

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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.