Home / 2,092.85-2,888.03-1,208.93

Finding the Fourth Proportional to 2,092.85, 2,888.03 and 1,208.93

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Solution

The fourth proportional to 2,092.85, 2,888.03 and 1,208.93 is: 1,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.85 : 2,888.03 = 1,208.93 : x
  2. Step 2: Convert to fraction form
    2,092.85/2,888.03 = 1,208.93/x
  3. Step 3: Cross multiply
    2,092.85x = 2,888.03 × 1,208.93
  4. Step 4: Simplify right side
    2,092.85x = 3,491,420.06
  5. Step 5: Solve for x
    x = 3,491,420.06/2,092.85
  6. Step 6: Final answer
    x = 1,668.26

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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.