Home / 3,281.89-4,529.03-1,955.65

Finding the Fourth Proportional to 3,281.89, 4,529.03 and 1,955.65

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Solution

The fourth proportional to 3,281.89, 4,529.03 and 1,955.65 is: 2,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.89 : 4,529.03 = 1,955.65 : x
  2. Step 2: Convert to fraction form
    3,281.89/4,529.03 = 1,955.65/x
  3. Step 3: Cross multiply
    3,281.89x = 4,529.03 × 1,955.65
  4. Step 4: Simplify right side
    3,281.89x = 8,857,197.52
  5. Step 5: Solve for x
    x = 8,857,197.52/3,281.89
  6. Step 6: Final answer
    x = 2,698.81

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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.