Home / 2,308.07-3,458.45-1,211.33

Finding the Fourth Proportional to 2,308.07, 3,458.45 and 1,211.33

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Solution

The fourth proportional to 2,308.07, 3,458.45 and 1,211.33 is: 1,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.07 : 3,458.45 = 1,211.33 : x
  2. Step 2: Convert to fraction form
    2,308.07/3,458.45 = 1,211.33/x
  3. Step 3: Cross multiply
    2,308.07x = 3,458.45 × 1,211.33
  4. Step 4: Simplify right side
    2,308.07x = 4,189,300.89
  5. Step 5: Solve for x
    x = 4,189,300.89/2,308.07
  6. Step 6: Final answer
    x = 1,815.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.