Home / 2,558.08-3,837.44-1,900.76

Finding the Fourth Proportional to 2,558.08, 3,837.44 and 1,900.76

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Solution

The fourth proportional to 2,558.08, 3,837.44 and 1,900.76 is: 2,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.08 : 3,837.44 = 1,900.76 : x
  2. Step 2: Convert to fraction form
    2,558.08/3,837.44 = 1,900.76/x
  3. Step 3: Cross multiply
    2,558.08x = 3,837.44 × 1,900.76
  4. Step 4: Simplify right side
    2,558.08x = 7,294,052.45
  5. Step 5: Solve for x
    x = 7,294,052.45/2,558.08
  6. Step 6: Final answer
    x = 2,851.38

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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.