Home / 2,745.53-4,111.27-1,511.58

Finding the Fourth Proportional to 2,745.53, 4,111.27 and 1,511.58

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Solution

The fourth proportional to 2,745.53, 4,111.27 and 1,511.58 is: 2,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.53 : 4,111.27 = 1,511.58 : x
  2. Step 2: Convert to fraction form
    2,745.53/4,111.27 = 1,511.58/x
  3. Step 3: Cross multiply
    2,745.53x = 4,111.27 × 1,511.58
  4. Step 4: Simplify right side
    2,745.53x = 6,214,513.51
  5. Step 5: Solve for x
    x = 6,214,513.51/2,745.53
  6. Step 6: Final answer
    x = 2,263.50

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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.