Home / 2,740.32-3,778.92-1,745.24

Finding the Fourth Proportional to 2,740.32, 3,778.92 and 1,745.24

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Solution

The fourth proportional to 2,740.32, 3,778.92 and 1,745.24 is: 2,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.32 : 3,778.92 = 1,745.24 : x
  2. Step 2: Convert to fraction form
    2,740.32/3,778.92 = 1,745.24/x
  3. Step 3: Cross multiply
    2,740.32x = 3,778.92 × 1,745.24
  4. Step 4: Simplify right side
    2,740.32x = 6,595,122.34
  5. Step 5: Solve for x
    x = 6,595,122.34/2,740.32
  6. Step 6: Final answer
    x = 2,406.70

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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.