Home / 3,313.40-4,935.75-3,236.60

Finding the Fourth Proportional to 3,313.40, 4,935.75 and 3,236.60

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Solution

The fourth proportional to 3,313.40, 4,935.75 and 3,236.60 is: 4,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.40 : 4,935.75 = 3,236.60 : x
  2. Step 2: Convert to fraction form
    3,313.40/4,935.75 = 3,236.60/x
  3. Step 3: Cross multiply
    3,313.40x = 4,935.75 × 3,236.60
  4. Step 4: Simplify right side
    3,313.40x = 15,975,048.45
  5. Step 5: Solve for x
    x = 15,975,048.45/3,313.40
  6. Step 6: Final answer
    x = 4,821.35

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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.