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Finding the Fourth Proportional to 2,828.70, 3,901.05 and 2,410.47

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Solution

The fourth proportional to 2,828.70, 3,901.05 and 2,410.47 is: 3,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.70 : 3,901.05 = 2,410.47 : x
  2. Step 2: Convert to fraction form
    2,828.70/3,901.05 = 2,410.47/x
  3. Step 3: Cross multiply
    2,828.70x = 3,901.05 × 2,410.47
  4. Step 4: Simplify right side
    2,828.70x = 9,403,363.99
  5. Step 5: Solve for x
    x = 9,403,363.99/2,828.70
  6. Step 6: Final answer
    x = 3,324.27

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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.