Home / 1,745.55-2,406.92-1,445.85

Finding the Fourth Proportional to 1,745.55, 2,406.92 and 1,445.85

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Solution

The fourth proportional to 1,745.55, 2,406.92 and 1,445.85 is: 1,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.55 : 2,406.92 = 1,445.85 : x
  2. Step 2: Convert to fraction form
    1,745.55/2,406.92 = 1,445.85/x
  3. Step 3: Cross multiply
    1,745.55x = 2,406.92 × 1,445.85
  4. Step 4: Simplify right side
    1,745.55x = 3,480,038.05
  5. Step 5: Solve for x
    x = 3,480,038.05/1,745.55
  6. Step 6: Final answer
    x = 1,993.66

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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.