Home / 3,112.17-4,669.05-1,164.39

Finding the Fourth Proportional to 3,112.17, 4,669.05 and 1,164.39

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Solution

The fourth proportional to 3,112.17, 4,669.05 and 1,164.39 is: 1,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.17 : 4,669.05 = 1,164.39 : x
  2. Step 2: Convert to fraction form
    3,112.17/4,669.05 = 1,164.39/x
  3. Step 3: Cross multiply
    3,112.17x = 4,669.05 × 1,164.39
  4. Step 4: Simplify right side
    3,112.17x = 5,436,595.13
  5. Step 5: Solve for x
    x = 5,436,595.13/3,112.17
  6. Step 6: Final answer
    x = 1,746.88

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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.