Home / 4,079.07-5,629.32-2,485.44

Finding the Fourth Proportional to 4,079.07, 5,629.32 and 2,485.44

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Solution

The fourth proportional to 4,079.07, 5,629.32 and 2,485.44 is: 3,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.07 : 5,629.32 = 2,485.44 : x
  2. Step 2: Convert to fraction form
    4,079.07/5,629.32 = 2,485.44/x
  3. Step 3: Cross multiply
    4,079.07x = 5,629.32 × 2,485.44
  4. Step 4: Simplify right side
    4,079.07x = 13,991,337.10
  5. Step 5: Solve for x
    x = 13,991,337.10/4,079.07
  6. Step 6: Final answer
    x = 3,430.03

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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.