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Finding the Fourth Proportional to 3,101.36, 4,652.04 and 910.07

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Solution

The fourth proportional to 3,101.36, 4,652.04 and 910.07 is: 1,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.36 : 4,652.04 = 910.07 : x
  2. Step 2: Convert to fraction form
    3,101.36/4,652.04 = 910.07/x
  3. Step 3: Cross multiply
    3,101.36x = 4,652.04 × 910.07
  4. Step 4: Simplify right side
    3,101.36x = 4,233,682.04
  5. Step 5: Solve for x
    x = 4,233,682.04/3,101.36
  6. Step 6: Final answer
    x = 1,365.11

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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.