Home / 3,609.43-5,409.36-1,854.36

Finding the Fourth Proportional to 3,609.43, 5,409.36 and 1,854.36

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Solution

The fourth proportional to 3,609.43, 5,409.36 and 1,854.36 is: 2,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.43 : 5,409.36 = 1,854.36 : x
  2. Step 2: Convert to fraction form
    3,609.43/5,409.36 = 1,854.36/x
  3. Step 3: Cross multiply
    3,609.43x = 5,409.36 × 1,854.36
  4. Step 4: Simplify right side
    3,609.43x = 10,030,900.81
  5. Step 5: Solve for x
    x = 10,030,900.81/3,609.43
  6. Step 6: Final answer
    x = 2,779.08

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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.