Home / 3,525.65-5,286.33-2,428.81

Finding the Fourth Proportional to 3,525.65, 5,286.33 and 2,428.81

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Solution

The fourth proportional to 3,525.65, 5,286.33 and 2,428.81 is: 3,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.65 : 5,286.33 = 2,428.81 : x
  2. Step 2: Convert to fraction form
    3,525.65/5,286.33 = 2,428.81/x
  3. Step 3: Cross multiply
    3,525.65x = 5,286.33 × 2,428.81
  4. Step 4: Simplify right side
    3,525.65x = 12,839,464.74
  5. Step 5: Solve for x
    x = 12,839,464.74/3,525.65
  6. Step 6: Final answer
    x = 3,641.73

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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.