Home / 2,069.67-2,855.94-1,173.45

Finding the Fourth Proportional to 2,069.67, 2,855.94 and 1,173.45

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Solution

The fourth proportional to 2,069.67, 2,855.94 and 1,173.45 is: 1,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.67 : 2,855.94 = 1,173.45 : x
  2. Step 2: Convert to fraction form
    2,069.67/2,855.94 = 1,173.45/x
  3. Step 3: Cross multiply
    2,069.67x = 2,855.94 × 1,173.45
  4. Step 4: Simplify right side
    2,069.67x = 3,351,302.79
  5. Step 5: Solve for x
    x = 3,351,302.79/2,069.67
  6. Step 6: Final answer
    x = 1,619.24

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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.