Home / 3,450.83-4,762.28-1,958.81

Finding the Fourth Proportional to 3,450.83, 4,762.28 and 1,958.81

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Solution

The fourth proportional to 3,450.83, 4,762.28 and 1,958.81 is: 2,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.83 : 4,762.28 = 1,958.81 : x
  2. Step 2: Convert to fraction form
    3,450.83/4,762.28 = 1,958.81/x
  3. Step 3: Cross multiply
    3,450.83x = 4,762.28 × 1,958.81
  4. Step 4: Simplify right side
    3,450.83x = 9,328,391.89
  5. Step 5: Solve for x
    x = 9,328,391.89/3,450.83
  6. Step 6: Final answer
    x = 2,703.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.