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Finding the Fourth Proportional to 3,876.99, 5,819.58 and 2,417.15

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Solution

The fourth proportional to 3,876.99, 5,819.58 and 2,417.15 is: 3,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.99 : 5,819.58 = 2,417.15 : x
  2. Step 2: Convert to fraction form
    3,876.99/5,819.58 = 2,417.15/x
  3. Step 3: Cross multiply
    3,876.99x = 5,819.58 × 2,417.15
  4. Step 4: Simplify right side
    3,876.99x = 14,066,768.70
  5. Step 5: Solve for x
    x = 14,066,768.70/3,876.99
  6. Step 6: Final answer
    x = 3,628.27

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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.