Home / 2,511.24-3,764.49-1,277.21

Finding the Fourth Proportional to 2,511.24, 3,764.49 and 1,277.21

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Solution

The fourth proportional to 2,511.24, 3,764.49 and 1,277.21 is: 1,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.24 : 3,764.49 = 1,277.21 : x
  2. Step 2: Convert to fraction form
    2,511.24/3,764.49 = 1,277.21/x
  3. Step 3: Cross multiply
    2,511.24x = 3,764.49 × 1,277.21
  4. Step 4: Simplify right side
    2,511.24x = 4,808,025.45
  5. Step 5: Solve for x
    x = 4,808,025.45/2,511.24
  6. Step 6: Final answer
    x = 1,914.60

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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.