Home / 2,485.42-3,718.50-1,793.68

Finding the Fourth Proportional to 2,485.42, 3,718.50 and 1,793.68

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Solution

The fourth proportional to 2,485.42, 3,718.50 and 1,793.68 is: 2,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.42 : 3,718.50 = 1,793.68 : x
  2. Step 2: Convert to fraction form
    2,485.42/3,718.50 = 1,793.68/x
  3. Step 3: Cross multiply
    2,485.42x = 3,718.50 × 1,793.68
  4. Step 4: Simplify right side
    2,485.42x = 6,669,799.08
  5. Step 5: Solve for x
    x = 6,669,799.08/2,485.42
  6. Step 6: Final answer
    x = 2,683.57

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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.