Home / 3,125.23-4,692.03-2,708.03

Finding the Fourth Proportional to 3,125.23, 4,692.03 and 2,708.03

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Solution

The fourth proportional to 3,125.23, 4,692.03 and 2,708.03 is: 4,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.23 : 4,692.03 = 2,708.03 : x
  2. Step 2: Convert to fraction form
    3,125.23/4,692.03 = 2,708.03/x
  3. Step 3: Cross multiply
    3,125.23x = 4,692.03 × 2,708.03
  4. Step 4: Simplify right side
    3,125.23x = 12,706,159.58
  5. Step 5: Solve for x
    x = 12,706,159.58/3,125.23
  6. Step 6: Final answer
    x = 4,065.67

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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.