Home / 2,202.48-3,039.03-1,539.09

Finding the Fourth Proportional to 2,202.48, 3,039.03 and 1,539.09

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Solution

The fourth proportional to 2,202.48, 3,039.03 and 1,539.09 is: 2,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.48 : 3,039.03 = 1,539.09 : x
  2. Step 2: Convert to fraction form
    2,202.48/3,039.03 = 1,539.09/x
  3. Step 3: Cross multiply
    2,202.48x = 3,039.03 × 1,539.09
  4. Step 4: Simplify right side
    2,202.48x = 4,677,340.68
  5. Step 5: Solve for x
    x = 4,677,340.68/2,202.48
  6. Step 6: Final answer
    x = 2,123.67

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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.