Home / 3,681.63-5,517.06-1,707.87

Finding the Fourth Proportional to 3,681.63, 5,517.06 and 1,707.87

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Solution

The fourth proportional to 3,681.63, 5,517.06 and 1,707.87 is: 2,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.63 : 5,517.06 = 1,707.87 : x
  2. Step 2: Convert to fraction form
    3,681.63/5,517.06 = 1,707.87/x
  3. Step 3: Cross multiply
    3,681.63x = 5,517.06 × 1,707.87
  4. Step 4: Simplify right side
    3,681.63x = 9,422,421.26
  5. Step 5: Solve for x
    x = 9,422,421.26/3,681.63
  6. Step 6: Final answer
    x = 2,559.31

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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.