Home / 4,079.95-5,629.99-2,262.86

Finding the Fourth Proportional to 4,079.95, 5,629.99 and 2,262.86

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Solution

The fourth proportional to 4,079.95, 5,629.99 and 2,262.86 is: 3,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.95 : 5,629.99 = 2,262.86 : x
  2. Step 2: Convert to fraction form
    4,079.95/5,629.99 = 2,262.86/x
  3. Step 3: Cross multiply
    4,079.95x = 5,629.99 × 2,262.86
  4. Step 4: Simplify right side
    4,079.95x = 12,739,881.78
  5. Step 5: Solve for x
    x = 12,739,881.78/4,079.95
  6. Step 6: Final answer
    x = 3,122.56

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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.