Home / 2,575.78-3,861.96-1,697.23

Finding the Fourth Proportional to 2,575.78, 3,861.96 and 1,697.23

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Solution

The fourth proportional to 2,575.78, 3,861.96 and 1,697.23 is: 2,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.78 : 3,861.96 = 1,697.23 : x
  2. Step 2: Convert to fraction form
    2,575.78/3,861.96 = 1,697.23/x
  3. Step 3: Cross multiply
    2,575.78x = 3,861.96 × 1,697.23
  4. Step 4: Simplify right side
    2,575.78x = 6,554,634.37
  5. Step 5: Solve for x
    x = 6,554,634.37/2,575.78
  6. Step 6: Final answer
    x = 2,544.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.