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Finding the Fourth Proportional to 2,898.36, 3,999.06 and 1,850.76

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Solution

The fourth proportional to 2,898.36, 3,999.06 and 1,850.76 is: 2,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.36 : 3,999.06 = 1,850.76 : x
  2. Step 2: Convert to fraction form
    2,898.36/3,999.06 = 1,850.76/x
  3. Step 3: Cross multiply
    2,898.36x = 3,999.06 × 1,850.76
  4. Step 4: Simplify right side
    2,898.36x = 7,401,300.29
  5. Step 5: Solve for x
    x = 7,401,300.29/2,898.36
  6. Step 6: Final answer
    x = 2,553.62

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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.