Home / 3,036.65-4,190.88-1,777.63

Finding the Fourth Proportional to 3,036.65, 4,190.88 and 1,777.63

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Solution

The fourth proportional to 3,036.65, 4,190.88 and 1,777.63 is: 2,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.65 : 4,190.88 = 1,777.63 : x
  2. Step 2: Convert to fraction form
    3,036.65/4,190.88 = 1,777.63/x
  3. Step 3: Cross multiply
    3,036.65x = 4,190.88 × 1,777.63
  4. Step 4: Simplify right side
    3,036.65x = 7,449,850.44
  5. Step 5: Solve for x
    x = 7,449,850.44/3,036.65
  6. Step 6: Final answer
    x = 2,453.31

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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.