Home / 2,093.38-2,888.66-1,209.06

Finding the Fourth Proportional to 2,093.38, 2,888.66 and 1,209.06

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Solution

The fourth proportional to 2,093.38, 2,888.66 and 1,209.06 is: 1,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.38 : 2,888.66 = 1,209.06 : x
  2. Step 2: Convert to fraction form
    2,093.38/2,888.66 = 1,209.06/x
  3. Step 3: Cross multiply
    2,093.38x = 2,888.66 × 1,209.06
  4. Step 4: Simplify right side
    2,093.38x = 3,492,566.28
  5. Step 5: Solve for x
    x = 3,492,566.28/2,093.38
  6. Step 6: Final answer
    x = 1,668.39

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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.