Home / 3,676.60-5,514.90-1,210.75

Finding the Fourth Proportional to 3,676.60, 5,514.90 and 1,210.75

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Solution

The fourth proportional to 3,676.60, 5,514.90 and 1,210.75 is: 1,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.60 : 5,514.90 = 1,210.75 : x
  2. Step 2: Convert to fraction form
    3,676.60/5,514.90 = 1,210.75/x
  3. Step 3: Cross multiply
    3,676.60x = 5,514.90 × 1,210.75
  4. Step 4: Simplify right side
    3,676.60x = 6,677,165.18
  5. Step 5: Solve for x
    x = 6,677,165.18/3,676.60
  6. Step 6: Final answer
    x = 1,816.13

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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.