Home / 2,106.67-2,907.19-1,162.50

Finding the Fourth Proportional to 2,106.67, 2,907.19 and 1,162.50

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Solution

The fourth proportional to 2,106.67, 2,907.19 and 1,162.50 is: 1,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.67 : 2,907.19 = 1,162.50 : x
  2. Step 2: Convert to fraction form
    2,106.67/2,907.19 = 1,162.50/x
  3. Step 3: Cross multiply
    2,106.67x = 2,907.19 × 1,162.50
  4. Step 4: Simplify right side
    2,106.67x = 3,379,608.38
  5. Step 5: Solve for x
    x = 3,379,608.38/2,106.67
  6. Step 6: Final answer
    x = 1,604.24

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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.