Home / 3,708.99-5,120.01-2,767.77

Finding the Fourth Proportional to 3,708.99, 5,120.01 and 2,767.77

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Solution

The fourth proportional to 3,708.99, 5,120.01 and 2,767.77 is: 3,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.99 : 5,120.01 = 2,767.77 : x
  2. Step 2: Convert to fraction form
    3,708.99/5,120.01 = 2,767.77/x
  3. Step 3: Cross multiply
    3,708.99x = 5,120.01 × 2,767.77
  4. Step 4: Simplify right side
    3,708.99x = 14,171,010.08
  5. Step 5: Solve for x
    x = 14,171,010.08/3,708.99
  6. Step 6: Final answer
    x = 3,820.72

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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.