Home / 3,751.20-5,623.36-1,440.96

Finding the Fourth Proportional to 3,751.20, 5,623.36 and 1,440.96

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Solution

The fourth proportional to 3,751.20, 5,623.36 and 1,440.96 is: 2,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.20 : 5,623.36 = 1,440.96 : x
  2. Step 2: Convert to fraction form
    3,751.20/5,623.36 = 1,440.96/x
  3. Step 3: Cross multiply
    3,751.20x = 5,623.36 × 1,440.96
  4. Step 4: Simplify right side
    3,751.20x = 8,103,036.83
  5. Step 5: Solve for x
    x = 8,103,036.83/3,751.20
  6. Step 6: Final answer
    x = 2,160.12

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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.