Home / 1,770.03-2,440.52-1,297.75

Finding the Fourth Proportional to 1,770.03, 2,440.52 and 1,297.75

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Solution

The fourth proportional to 1,770.03, 2,440.52 and 1,297.75 is: 1,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.03 : 2,440.52 = 1,297.75 : x
  2. Step 2: Convert to fraction form
    1,770.03/2,440.52 = 1,297.75/x
  3. Step 3: Cross multiply
    1,770.03x = 2,440.52 × 1,297.75
  4. Step 4: Simplify right side
    1,770.03x = 3,167,172.99
  5. Step 5: Solve for x
    x = 3,167,172.99/1,770.03
  6. Step 6: Final answer
    x = 1,789.34

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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.