Home / 2,669.45-4,004.28-914.54

Finding the Fourth Proportional to 2,669.45, 4,004.28 and 914.54

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Solution

The fourth proportional to 2,669.45, 4,004.28 and 914.54 is: 1,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.45 : 4,004.28 = 914.54 : x
  2. Step 2: Convert to fraction form
    2,669.45/4,004.28 = 914.54/x
  3. Step 3: Cross multiply
    2,669.45x = 4,004.28 × 914.54
  4. Step 4: Simplify right side
    2,669.45x = 3,662,054.21
  5. Step 5: Solve for x
    x = 3,662,054.21/2,669.45
  6. Step 6: Final answer
    x = 1,371.84

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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.