Home / 4,145.58-5,720.70-2,375.88

Finding the Fourth Proportional to 4,145.58, 5,720.70 and 2,375.88

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Solution

The fourth proportional to 4,145.58, 5,720.70 and 2,375.88 is: 3,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.58 : 5,720.70 = 2,375.88 : x
  2. Step 2: Convert to fraction form
    4,145.58/5,720.70 = 2,375.88/x
  3. Step 3: Cross multiply
    4,145.58x = 5,720.70 × 2,375.88
  4. Step 4: Simplify right side
    4,145.58x = 13,591,696.72
  5. Step 5: Solve for x
    x = 13,591,696.72/4,145.58
  6. Step 6: Final answer
    x = 3,278.60

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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.