Home / 1,885.08-2,600.46-1,263

Finding the Fourth Proportional to 1,885.08, 2,600.46 and 1,263

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Solution

The fourth proportional to 1,885.08, 2,600.46 and 1,263 is: 1,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.08 : 2,600.46 = 1,263 : x
  2. Step 2: Convert to fraction form
    1,885.08/2,600.46 = 1,263/x
  3. Step 3: Cross multiply
    1,885.08x = 2,600.46 × 1,263
  4. Step 4: Simplify right side
    1,885.08x = 3,284,380.98
  5. Step 5: Solve for x
    x = 3,284,380.98/1,885.08
  6. Step 6: Final answer
    x = 1,742.30

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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.