Home / 3,890.30-5,366.68-2,563.52

Finding the Fourth Proportional to 3,890.30, 5,366.68 and 2,563.52

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Solution

The fourth proportional to 3,890.30, 5,366.68 and 2,563.52 is: 3,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.30 : 5,366.68 = 2,563.52 : x
  2. Step 2: Convert to fraction form
    3,890.30/5,366.68 = 2,563.52/x
  3. Step 3: Cross multiply
    3,890.30x = 5,366.68 × 2,563.52
  4. Step 4: Simplify right side
    3,890.30x = 13,757,591.51
  5. Step 5: Solve for x
    x = 13,757,591.51/3,890.30
  6. Step 6: Final answer
    x = 3,536.38

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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.