Home / 4,079.57-5,628.56-2,286.86

Finding the Fourth Proportional to 4,079.57, 5,628.56 and 2,286.86

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Solution

The fourth proportional to 4,079.57, 5,628.56 and 2,286.86 is: 3,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.57 : 5,628.56 = 2,286.86 : x
  2. Step 2: Convert to fraction form
    4,079.57/5,628.56 = 2,286.86/x
  3. Step 3: Cross multiply
    4,079.57x = 5,628.56 × 2,286.86
  4. Step 4: Simplify right side
    4,079.57x = 12,871,689.14
  5. Step 5: Solve for x
    x = 12,871,689.14/4,079.57
  6. Step 6: Final answer
    x = 3,155.16

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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.