Home / 2,918.51-4,375.44-1,684.52

Finding the Fourth Proportional to 2,918.51, 4,375.44 and 1,684.52

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Solution

The fourth proportional to 2,918.51, 4,375.44 and 1,684.52 is: 2,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.51 : 4,375.44 = 1,684.52 : x
  2. Step 2: Convert to fraction form
    2,918.51/4,375.44 = 1,684.52/x
  3. Step 3: Cross multiply
    2,918.51x = 4,375.44 × 1,684.52
  4. Step 4: Simplify right side
    2,918.51x = 7,370,527.76
  5. Step 5: Solve for x
    x = 7,370,527.76/2,918.51
  6. Step 6: Final answer
    x = 2,525.45

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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.