Home / 4,079.30-5,629.34-2,485.36

Finding the Fourth Proportional to 4,079.30, 5,629.34 and 2,485.36

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Solution

The fourth proportional to 4,079.30, 5,629.34 and 2,485.36 is: 3,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.30 : 5,629.34 = 2,485.36 : x
  2. Step 2: Convert to fraction form
    4,079.30/5,629.34 = 2,485.36/x
  3. Step 3: Cross multiply
    4,079.30x = 5,629.34 × 2,485.36
  4. Step 4: Simplify right side
    4,079.30x = 13,990,936.46
  5. Step 5: Solve for x
    x = 13,990,936.46/4,079.30
  6. Step 6: Final answer
    x = 3,429.74

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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.