Home / 2,010.98-2,775.09-1,114.68

Finding the Fourth Proportional to 2,010.98, 2,775.09 and 1,114.68

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Solution

The fourth proportional to 2,010.98, 2,775.09 and 1,114.68 is: 1,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.98 : 2,775.09 = 1,114.68 : x
  2. Step 2: Convert to fraction form
    2,010.98/2,775.09 = 1,114.68/x
  3. Step 3: Cross multiply
    2,010.98x = 2,775.09 × 1,114.68
  4. Step 4: Simplify right side
    2,010.98x = 3,093,338.69
  5. Step 5: Solve for x
    x = 3,093,338.69/2,010.98
  6. Step 6: Final answer
    x = 1,538.22

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1.5x scale

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.