Home / 3,225.52-4,837.08-1,278

Finding the Fourth Proportional to 3,225.52, 4,837.08 and 1,278

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Solution

The fourth proportional to 3,225.52, 4,837.08 and 1,278 is: 1,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.52 : 4,837.08 = 1,278 : x
  2. Step 2: Convert to fraction form
    3,225.52/4,837.08 = 1,278/x
  3. Step 3: Cross multiply
    3,225.52x = 4,837.08 × 1,278
  4. Step 4: Simplify right side
    3,225.52x = 6,181,788.24
  5. Step 5: Solve for x
    x = 6,181,788.24/3,225.52
  6. Step 6: Final answer
    x = 1,916.52

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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.