Home / 3,606.69-5,407.03-1,528.32

Finding the Fourth Proportional to 3,606.69, 5,407.03 and 1,528.32

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Solution

The fourth proportional to 3,606.69, 5,407.03 and 1,528.32 is: 2,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.69 : 5,407.03 = 1,528.32 : x
  2. Step 2: Convert to fraction form
    3,606.69/5,407.03 = 1,528.32/x
  3. Step 3: Cross multiply
    3,606.69x = 5,407.03 × 1,528.32
  4. Step 4: Simplify right side
    3,606.69x = 8,263,672.09
  5. Step 5: Solve for x
    x = 8,263,672.09/3,606.69
  6. Step 6: Final answer
    x = 2,291.21

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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.