Home / 2,835.36-4,251.69-1,080.45

Finding the Fourth Proportional to 2,835.36, 4,251.69 and 1,080.45

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Solution

The fourth proportional to 2,835.36, 4,251.69 and 1,080.45 is: 1,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.36 : 4,251.69 = 1,080.45 : x
  2. Step 2: Convert to fraction form
    2,835.36/4,251.69 = 1,080.45/x
  3. Step 3: Cross multiply
    2,835.36x = 4,251.69 × 1,080.45
  4. Step 4: Simplify right side
    2,835.36x = 4,593,738.46
  5. Step 5: Solve for x
    x = 4,593,738.46/2,835.36
  6. Step 6: Final answer
    x = 1,620.16

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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.