Home / 1,469.03-2,027.37-1,070.81

Finding the Fourth Proportional to 1,469.03, 2,027.37 and 1,070.81

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Solution

The fourth proportional to 1,469.03, 2,027.37 and 1,070.81 is: 1,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.03 : 2,027.37 = 1,070.81 : x
  2. Step 2: Convert to fraction form
    1,469.03/2,027.37 = 1,070.81/x
  3. Step 3: Cross multiply
    1,469.03x = 2,027.37 × 1,070.81
  4. Step 4: Simplify right side
    1,469.03x = 2,170,928.07
  5. Step 5: Solve for x
    x = 2,170,928.07/1,469.03
  6. Step 6: Final answer
    x = 1,477.80

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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.