Home / 4,079.85-5,629.86-2,401.32

Finding the Fourth Proportional to 4,079.85, 5,629.86 and 2,401.32

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Solution

The fourth proportional to 4,079.85, 5,629.86 and 2,401.32 is: 3,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.85 : 5,629.86 = 2,401.32 : x
  2. Step 2: Convert to fraction form
    4,079.85/5,629.86 = 2,401.32/x
  3. Step 3: Cross multiply
    4,079.85x = 5,629.86 × 2,401.32
  4. Step 4: Simplify right side
    4,079.85x = 13,519,095.42
  5. Step 5: Solve for x
    x = 13,519,095.42/4,079.85
  6. Step 6: Final answer
    x = 3,313.63

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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.