Home / 4,120.34-5,686.07-2,351.99

Finding the Fourth Proportional to 4,120.34, 5,686.07 and 2,351.99

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Solution

The fourth proportional to 4,120.34, 5,686.07 and 2,351.99 is: 3,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.34 : 5,686.07 = 2,351.99 : x
  2. Step 2: Convert to fraction form
    4,120.34/5,686.07 = 2,351.99/x
  3. Step 3: Cross multiply
    4,120.34x = 5,686.07 × 2,351.99
  4. Step 4: Simplify right side
    4,120.34x = 13,373,579.78
  5. Step 5: Solve for x
    x = 13,373,579.78/4,120.34
  6. Step 6: Final answer
    x = 3,245.75

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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.