Home / 3,677.07-5,516.31-1,212.60

Finding the Fourth Proportional to 3,677.07, 5,516.31 and 1,212.60

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Solution

The fourth proportional to 3,677.07, 5,516.31 and 1,212.60 is: 1,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.07 : 5,516.31 = 1,212.60 : x
  2. Step 2: Convert to fraction form
    3,677.07/5,516.31 = 1,212.60/x
  3. Step 3: Cross multiply
    3,677.07x = 5,516.31 × 1,212.60
  4. Step 4: Simplify right side
    3,677.07x = 6,689,077.51
  5. Step 5: Solve for x
    x = 6,689,077.51/3,677.07
  6. Step 6: Final answer
    x = 1,819.13

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1.5x scale

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.