Home / 2,730.15-3,758.96-2,480.72

Finding the Fourth Proportional to 2,730.15, 3,758.96 and 2,480.72

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Solution

The fourth proportional to 2,730.15, 3,758.96 and 2,480.72 is: 3,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.15 : 3,758.96 = 2,480.72 : x
  2. Step 2: Convert to fraction form
    2,730.15/3,758.96 = 2,480.72/x
  3. Step 3: Cross multiply
    2,730.15x = 3,758.96 × 2,480.72
  4. Step 4: Simplify right side
    2,730.15x = 9,324,911.65
  5. Step 5: Solve for x
    x = 9,324,911.65/2,730.15
  6. Step 6: Final answer
    x = 3,415.54

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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.