Home / 1,756.49-2,630.86-1,138.33

Finding the Fourth Proportional to 1,756.49, 2,630.86 and 1,138.33

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Solution

The fourth proportional to 1,756.49, 2,630.86 and 1,138.33 is: 1,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.49 : 2,630.86 = 1,138.33 : x
  2. Step 2: Convert to fraction form
    1,756.49/2,630.86 = 1,138.33/x
  3. Step 3: Cross multiply
    1,756.49x = 2,630.86 × 1,138.33
  4. Step 4: Simplify right side
    1,756.49x = 2,994,777.44
  5. Step 5: Solve for x
    x = 2,994,777.44/1,756.49
  6. Step 6: Final answer
    x = 1,704.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.