Home / 2,755.69-4,131.74-1,000.36

Finding the Fourth Proportional to 2,755.69, 4,131.74 and 1,000.36

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Solution

The fourth proportional to 2,755.69, 4,131.74 and 1,000.36 is: 1,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.69 : 4,131.74 = 1,000.36 : x
  2. Step 2: Convert to fraction form
    2,755.69/4,131.74 = 1,000.36/x
  3. Step 3: Cross multiply
    2,755.69x = 4,131.74 × 1,000.36
  4. Step 4: Simplify right side
    2,755.69x = 4,133,227.59
  5. Step 5: Solve for x
    x = 4,133,227.59/2,755.69
  6. Step 6: Final answer
    x = 1,499.89

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1.5x scale

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.