Home / 4,280.14-5,903.97-2,708.20

Finding the Fourth Proportional to 4,280.14, 5,903.97 and 2,708.20

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Solution

The fourth proportional to 4,280.14, 5,903.97 and 2,708.20 is: 3,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.14 : 5,903.97 = 2,708.20 : x
  2. Step 2: Convert to fraction form
    4,280.14/5,903.97 = 2,708.20/x
  3. Step 3: Cross multiply
    4,280.14x = 5,903.97 × 2,708.20
  4. Step 4: Simplify right side
    4,280.14x = 15,989,102.03
  5. Step 5: Solve for x
    x = 15,989,102.03/4,280.14
  6. Step 6: Final answer
    x = 3,735.65

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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.