Home / 2,563.84-3,847.08-1,265.12

Finding the Fourth Proportional to 2,563.84, 3,847.08 and 1,265.12

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Solution

The fourth proportional to 2,563.84, 3,847.08 and 1,265.12 is: 1,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.84 : 3,847.08 = 1,265.12 : x
  2. Step 2: Convert to fraction form
    2,563.84/3,847.08 = 1,265.12/x
  3. Step 3: Cross multiply
    2,563.84x = 3,847.08 × 1,265.12
  4. Step 4: Simplify right side
    2,563.84x = 4,867,017.85
  5. Step 5: Solve for x
    x = 4,867,017.85/2,563.84
  6. Step 6: Final answer
    x = 1,898.33

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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.