Home / 3,039.40-4,556.40-1,091.08

Finding the Fourth Proportional to 3,039.40, 4,556.40 and 1,091.08

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Solution

The fourth proportional to 3,039.40, 4,556.40 and 1,091.08 is: 1,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.40 : 4,556.40 = 1,091.08 : x
  2. Step 2: Convert to fraction form
    3,039.40/4,556.40 = 1,091.08/x
  3. Step 3: Cross multiply
    3,039.40x = 4,556.40 × 1,091.08
  4. Step 4: Simplify right side
    3,039.40x = 4,971,396.91
  5. Step 5: Solve for x
    x = 4,971,396.91/3,039.40
  6. Step 6: Final answer
    x = 1,635.65

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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.