Home / 4,079.64-5,629.98-2,216.64

Finding the Fourth Proportional to 4,079.64, 5,629.98 and 2,216.64

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Solution

The fourth proportional to 4,079.64, 5,629.98 and 2,216.64 is: 3,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.64 : 5,629.98 = 2,216.64 : x
  2. Step 2: Convert to fraction form
    4,079.64/5,629.98 = 2,216.64/x
  3. Step 3: Cross multiply
    4,079.64x = 5,629.98 × 2,216.64
  4. Step 4: Simplify right side
    4,079.64x = 12,479,638.87
  5. Step 5: Solve for x
    x = 12,479,638.87/4,079.64
  6. Step 6: Final answer
    x = 3,059.00

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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.