Home / 3,610.79-4,983.21-2,038.85

Finding the Fourth Proportional to 3,610.79, 4,983.21 and 2,038.85

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Solution

The fourth proportional to 3,610.79, 4,983.21 and 2,038.85 is: 2,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.79 : 4,983.21 = 2,038.85 : x
  2. Step 2: Convert to fraction form
    3,610.79/4,983.21 = 2,038.85/x
  3. Step 3: Cross multiply
    3,610.79x = 4,983.21 × 2,038.85
  4. Step 4: Simplify right side
    3,610.79x = 10,159,992.79
  5. Step 5: Solve for x
    x = 10,159,992.79/3,610.79
  6. Step 6: Final answer
    x = 2,813.79

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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.