Home / 3,230.81-4,846.67-1,039.55

Finding the Fourth Proportional to 3,230.81, 4,846.67 and 1,039.55

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Solution

The fourth proportional to 3,230.81, 4,846.67 and 1,039.55 is: 1,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.81 : 4,846.67 = 1,039.55 : x
  2. Step 2: Convert to fraction form
    3,230.81/4,846.67 = 1,039.55/x
  3. Step 3: Cross multiply
    3,230.81x = 4,846.67 × 1,039.55
  4. Step 4: Simplify right side
    3,230.81x = 5,038,326.37
  5. Step 5: Solve for x
    x = 5,038,326.37/3,230.81
  6. Step 6: Final answer
    x = 1,559.46

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1.5x scale

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.