Home / 3,260.28-4,890.72-3,085.32

Finding the Fourth Proportional to 3,260.28, 4,890.72 and 3,085.32

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Solution

The fourth proportional to 3,260.28, 4,890.72 and 3,085.32 is: 4,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.28 : 4,890.72 = 3,085.32 : x
  2. Step 2: Convert to fraction form
    3,260.28/4,890.72 = 3,085.32/x
  3. Step 3: Cross multiply
    3,260.28x = 4,890.72 × 3,085.32
  4. Step 4: Simplify right side
    3,260.28x = 15,089,436.23
  5. Step 5: Solve for x
    x = 15,089,436.23/3,260.28
  6. Step 6: Final answer
    x = 4,628.26

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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.