Home / 3,902.09-5,852.39-1,681.31

Finding the Fourth Proportional to 3,902.09, 5,852.39 and 1,681.31

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Solution

The fourth proportional to 3,902.09, 5,852.39 and 1,681.31 is: 2,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.09 : 5,852.39 = 1,681.31 : x
  2. Step 2: Convert to fraction form
    3,902.09/5,852.39 = 1,681.31/x
  3. Step 3: Cross multiply
    3,902.09x = 5,852.39 × 1,681.31
  4. Step 4: Simplify right side
    3,902.09x = 9,839,681.83
  5. Step 5: Solve for x
    x = 9,839,681.83/3,902.09
  6. Step 6: Final answer
    x = 2,521.64

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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.