Home / 3,709.22-5,559.78-1,515.34

Finding the Fourth Proportional to 3,709.22, 5,559.78 and 1,515.34

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Solution

The fourth proportional to 3,709.22, 5,559.78 and 1,515.34 is: 2,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.22 : 5,559.78 = 1,515.34 : x
  2. Step 2: Convert to fraction form
    3,709.22/5,559.78 = 1,515.34/x
  3. Step 3: Cross multiply
    3,709.22x = 5,559.78 × 1,515.34
  4. Step 4: Simplify right side
    3,709.22x = 8,424,929.23
  5. Step 5: Solve for x
    x = 8,424,929.23/3,709.22
  6. Step 6: Final answer
    x = 2,271.35

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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.