Home / 3,676.39-5,513.38-1,210.63

Finding the Fourth Proportional to 3,676.39, 5,513.38 and 1,210.63

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Solution

The fourth proportional to 3,676.39, 5,513.38 and 1,210.63 is: 1,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.39 : 5,513.38 = 1,210.63 : x
  2. Step 2: Convert to fraction form
    3,676.39/5,513.38 = 1,210.63/x
  3. Step 3: Cross multiply
    3,676.39x = 5,513.38 × 1,210.63
  4. Step 4: Simplify right side
    3,676.39x = 6,674,663.23
  5. Step 5: Solve for x
    x = 6,674,663.23/3,676.39
  6. Step 6: Final answer
    x = 1,815.55

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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.