Home / 2,816.52-4,225.86-1,172.63

Finding the Fourth Proportional to 2,816.52, 4,225.86 and 1,172.63

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Solution

The fourth proportional to 2,816.52, 4,225.86 and 1,172.63 is: 1,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.52 : 4,225.86 = 1,172.63 : x
  2. Step 2: Convert to fraction form
    2,816.52/4,225.86 = 1,172.63/x
  3. Step 3: Cross multiply
    2,816.52x = 4,225.86 × 1,172.63
  4. Step 4: Simplify right side
    2,816.52x = 4,955,349.08
  5. Step 5: Solve for x
    x = 4,955,349.08/2,816.52
  6. Step 6: Final answer
    x = 1,759.39

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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.