Home / 2,137.03-3,206.54-904.75

Finding the Fourth Proportional to 2,137.03, 3,206.54 and 904.75

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Solution

The fourth proportional to 2,137.03, 3,206.54 and 904.75 is: 1,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.03 : 3,206.54 = 904.75 : x
  2. Step 2: Convert to fraction form
    2,137.03/3,206.54 = 904.75/x
  3. Step 3: Cross multiply
    2,137.03x = 3,206.54 × 904.75
  4. Step 4: Simplify right side
    2,137.03x = 2,901,112.54
  5. Step 5: Solve for x
    x = 2,901,112.54/2,137.03
  6. Step 6: Final answer
    x = 1,357.54

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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.