Home / 3,313.90-4,964.37-1,556.61

Finding the Fourth Proportional to 3,313.90, 4,964.37 and 1,556.61

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Solution

The fourth proportional to 3,313.90, 4,964.37 and 1,556.61 is: 2,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.90 : 4,964.37 = 1,556.61 : x
  2. Step 2: Convert to fraction form
    3,313.90/4,964.37 = 1,556.61/x
  3. Step 3: Cross multiply
    3,313.90x = 4,964.37 × 1,556.61
  4. Step 4: Simplify right side
    3,313.90x = 7,727,587.99
  5. Step 5: Solve for x
    x = 7,727,587.99/3,313.90
  6. Step 6: Final answer
    x = 2,331.87

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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.