Home / 3,489.03-4,812.57-2,071.67

Finding the Fourth Proportional to 3,489.03, 4,812.57 and 2,071.67

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Solution

The fourth proportional to 3,489.03, 4,812.57 and 2,071.67 is: 2,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.03 : 4,812.57 = 2,071.67 : x
  2. Step 2: Convert to fraction form
    3,489.03/4,812.57 = 2,071.67/x
  3. Step 3: Cross multiply
    3,489.03x = 4,812.57 × 2,071.67
  4. Step 4: Simplify right side
    3,489.03x = 9,970,032.83
  5. Step 5: Solve for x
    x = 9,970,032.83/3,489.03
  6. Step 6: Final answer
    x = 2,857.54

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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.