Home / 3,604.45-5,406.70-1,007.39

Finding the Fourth Proportional to 3,604.45, 5,406.70 and 1,007.39

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Solution

The fourth proportional to 3,604.45, 5,406.70 and 1,007.39 is: 1,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.45 : 5,406.70 = 1,007.39 : x
  2. Step 2: Convert to fraction form
    3,604.45/5,406.70 = 1,007.39/x
  3. Step 3: Cross multiply
    3,604.45x = 5,406.70 × 1,007.39
  4. Step 4: Simplify right side
    3,604.45x = 5,446,655.51
  5. Step 5: Solve for x
    x = 5,446,655.51/3,604.45
  6. Step 6: Final answer
    x = 1,511.09

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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.