Home / 3,680.83-5,521.19-1,083.77

Finding the Fourth Proportional to 3,680.83, 5,521.19 and 1,083.77

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Solution

The fourth proportional to 3,680.83, 5,521.19 and 1,083.77 is: 1,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.83 : 5,521.19 = 1,083.77 : x
  2. Step 2: Convert to fraction form
    3,680.83/5,521.19 = 1,083.77/x
  3. Step 3: Cross multiply
    3,680.83x = 5,521.19 × 1,083.77
  4. Step 4: Simplify right side
    3,680.83x = 5,983,700.09
  5. Step 5: Solve for x
    x = 5,983,700.09/3,680.83
  6. Step 6: Final answer
    x = 1,625.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.