Home / 3,675.60-5,514.09-1,212.16

Finding the Fourth Proportional to 3,675.60, 5,514.09 and 1,212.16

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Solution

The fourth proportional to 3,675.60, 5,514.09 and 1,212.16 is: 1,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.60 : 5,514.09 = 1,212.16 : x
  2. Step 2: Convert to fraction form
    3,675.60/5,514.09 = 1,212.16/x
  3. Step 3: Cross multiply
    3,675.60x = 5,514.09 × 1,212.16
  4. Step 4: Simplify right side
    3,675.60x = 6,683,925.70
  5. Step 5: Solve for x
    x = 6,683,925.70/3,675.60
  6. Step 6: Final answer
    x = 1,818.46

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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.