Home / 3,357.79-4,628.35-2,280.73

Finding the Fourth Proportional to 3,357.79, 4,628.35 and 2,280.73

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Solution

The fourth proportional to 3,357.79, 4,628.35 and 2,280.73 is: 3,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.79 : 4,628.35 = 2,280.73 : x
  2. Step 2: Convert to fraction form
    3,357.79/4,628.35 = 2,280.73/x
  3. Step 3: Cross multiply
    3,357.79x = 4,628.35 × 2,280.73
  4. Step 4: Simplify right side
    3,357.79x = 10,556,016.70
  5. Step 5: Solve for x
    x = 10,556,016.70/3,357.79
  6. Step 6: Final answer
    x = 3,143.74

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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.