Home / 2,133.03-2,942.96-1,248.67

Finding the Fourth Proportional to 2,133.03, 2,942.96 and 1,248.67

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Solution

The fourth proportional to 2,133.03, 2,942.96 and 1,248.67 is: 1,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.03 : 2,942.96 = 1,248.67 : x
  2. Step 2: Convert to fraction form
    2,133.03/2,942.96 = 1,248.67/x
  3. Step 3: Cross multiply
    2,133.03x = 2,942.96 × 1,248.67
  4. Step 4: Simplify right side
    2,133.03x = 3,674,785.86
  5. Step 5: Solve for x
    x = 3,674,785.86/2,133.03
  6. Step 6: Final answer
    x = 1,722.80

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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.