Home / 3,303.40-4,907.09-3,245.80

Finding the Fourth Proportional to 3,303.40, 4,907.09 and 3,245.80

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Solution

The fourth proportional to 3,303.40, 4,907.09 and 3,245.80 is: 4,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.40 : 4,907.09 = 3,245.80 : x
  2. Step 2: Convert to fraction form
    3,303.40/4,907.09 = 3,245.80/x
  3. Step 3: Cross multiply
    3,303.40x = 4,907.09 × 3,245.80
  4. Step 4: Simplify right side
    3,303.40x = 15,927,432.72
  5. Step 5: Solve for x
    x = 15,927,432.72/3,303.40
  6. Step 6: Final answer
    x = 4,821.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.