Home / 3,141.79-4,710.26-2,101.75

Finding the Fourth Proportional to 3,141.79, 4,710.26 and 2,101.75

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Solution

The fourth proportional to 3,141.79, 4,710.26 and 2,101.75 is: 3,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.79 : 4,710.26 = 2,101.75 : x
  2. Step 2: Convert to fraction form
    3,141.79/4,710.26 = 2,101.75/x
  3. Step 3: Cross multiply
    3,141.79x = 4,710.26 × 2,101.75
  4. Step 4: Simplify right side
    3,141.79x = 9,899,778.45
  5. Step 5: Solve for x
    x = 9,899,778.45/3,141.79
  6. Step 6: Final answer
    x = 3,151.00

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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.