Home / 3,651.68-5,039.31-2,079.77

Finding the Fourth Proportional to 3,651.68, 5,039.31 and 2,079.77

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Solution

The fourth proportional to 3,651.68, 5,039.31 and 2,079.77 is: 2,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.68 : 5,039.31 = 2,079.77 : x
  2. Step 2: Convert to fraction form
    3,651.68/5,039.31 = 2,079.77/x
  3. Step 3: Cross multiply
    3,651.68x = 5,039.31 × 2,079.77
  4. Step 4: Simplify right side
    3,651.68x = 10,480,605.76
  5. Step 5: Solve for x
    x = 10,480,605.76/3,651.68
  6. Step 6: Final answer
    x = 2,870.08

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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.