Home / 2,280.26-3,147.14-2,176.37

Finding the Fourth Proportional to 2,280.26, 3,147.14 and 2,176.37

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Solution

The fourth proportional to 2,280.26, 3,147.14 and 2,176.37 is: 3,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.26 : 3,147.14 = 2,176.37 : x
  2. Step 2: Convert to fraction form
    2,280.26/3,147.14 = 2,176.37/x
  3. Step 3: Cross multiply
    2,280.26x = 3,147.14 × 2,176.37
  4. Step 4: Simplify right side
    2,280.26x = 6,849,330.79
  5. Step 5: Solve for x
    x = 6,849,330.79/2,280.26
  6. Step 6: Final answer
    x = 3,003.76

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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.