Home / 2,745.90-4,117.74-1,704.36

Finding the Fourth Proportional to 2,745.90, 4,117.74 and 1,704.36

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Solution

The fourth proportional to 2,745.90, 4,117.74 and 1,704.36 is: 2,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.90 : 4,117.74 = 1,704.36 : x
  2. Step 2: Convert to fraction form
    2,745.90/4,117.74 = 1,704.36/x
  3. Step 3: Cross multiply
    2,745.90x = 4,117.74 × 1,704.36
  4. Step 4: Simplify right side
    2,745.90x = 7,018,111.35
  5. Step 5: Solve for x
    x = 7,018,111.35/2,745.90
  6. Step 6: Final answer
    x = 2,555.85

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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.