Home / 3,133.51-4,698.75-1,185.88

Finding the Fourth Proportional to 3,133.51, 4,698.75 and 1,185.88

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Solution

The fourth proportional to 3,133.51, 4,698.75 and 1,185.88 is: 1,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.51 : 4,698.75 = 1,185.88 : x
  2. Step 2: Convert to fraction form
    3,133.51/4,698.75 = 1,185.88/x
  3. Step 3: Cross multiply
    3,133.51x = 4,698.75 × 1,185.88
  4. Step 4: Simplify right side
    3,133.51x = 5,572,153.65
  5. Step 5: Solve for x
    x = 5,572,153.65/3,133.51
  6. Step 6: Final answer
    x = 1,778.25

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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.