Home / 3,071.34-4,238.08-1,744.67

Finding the Fourth Proportional to 3,071.34, 4,238.08 and 1,744.67

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Solution

The fourth proportional to 3,071.34, 4,238.08 and 1,744.67 is: 2,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.34 : 4,238.08 = 1,744.67 : x
  2. Step 2: Convert to fraction form
    3,071.34/4,238.08 = 1,744.67/x
  3. Step 3: Cross multiply
    3,071.34x = 4,238.08 × 1,744.67
  4. Step 4: Simplify right side
    3,071.34x = 7,394,057.27
  5. Step 5: Solve for x
    x = 7,394,057.27/3,071.34
  6. Step 6: Final answer
    x = 2,407.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.