Home / 3,555.30-5,333.32-1,365.86

Finding the Fourth Proportional to 3,555.30, 5,333.32 and 1,365.86

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Solution

The fourth proportional to 3,555.30, 5,333.32 and 1,365.86 is: 2,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.30 : 5,333.32 = 1,365.86 : x
  2. Step 2: Convert to fraction form
    3,555.30/5,333.32 = 1,365.86/x
  3. Step 3: Cross multiply
    3,555.30x = 5,333.32 × 1,365.86
  4. Step 4: Simplify right side
    3,555.30x = 7,284,568.46
  5. Step 5: Solve for x
    x = 7,284,568.46/3,555.30
  6. Step 6: Final answer
    x = 2,048.93

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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.