Home / 3,313.32-4,539.29-3,188.79

Finding the Fourth Proportional to 3,313.32, 4,539.29 and 3,188.79

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Solution

The fourth proportional to 3,313.32, 4,539.29 and 3,188.79 is: 4,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.32 : 4,539.29 = 3,188.79 : x
  2. Step 2: Convert to fraction form
    3,313.32/4,539.29 = 3,188.79/x
  3. Step 3: Cross multiply
    3,313.32x = 4,539.29 × 3,188.79
  4. Step 4: Simplify right side
    3,313.32x = 14,474,826.62
  5. Step 5: Solve for x
    x = 14,474,826.62/3,313.32
  6. Step 6: Final answer
    x = 4,368.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.