Home / 3,319.18-4,939.58-3,208.46

Finding the Fourth Proportional to 3,319.18, 4,939.58 and 3,208.46

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Solution

The fourth proportional to 3,319.18, 4,939.58 and 3,208.46 is: 4,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.18 : 4,939.58 = 3,208.46 : x
  2. Step 2: Convert to fraction form
    3,319.18/4,939.58 = 3,208.46/x
  3. Step 3: Cross multiply
    3,319.18x = 4,939.58 × 3,208.46
  4. Step 4: Simplify right side
    3,319.18x = 15,848,444.85
  5. Step 5: Solve for x
    x = 15,848,444.85/3,319.18
  6. Step 6: Final answer
    x = 4,774.81

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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.