Home / 3,615.63-5,421.31-1,766.19

Finding the Fourth Proportional to 3,615.63, 5,421.31 and 1,766.19

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Solution

The fourth proportional to 3,615.63, 5,421.31 and 1,766.19 is: 2,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.63 : 5,421.31 = 1,766.19 : x
  2. Step 2: Convert to fraction form
    3,615.63/5,421.31 = 1,766.19/x
  3. Step 3: Cross multiply
    3,615.63x = 5,421.31 × 1,766.19
  4. Step 4: Simplify right side
    3,615.63x = 9,575,063.51
  5. Step 5: Solve for x
    x = 9,575,063.51/3,615.63
  6. Step 6: Final answer
    x = 2,648.24

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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.