Home / 3,225.68-4,838.48-1,278.32

Finding the Fourth Proportional to 3,225.68, 4,838.48 and 1,278.32

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Solution

The fourth proportional to 3,225.68, 4,838.48 and 1,278.32 is: 1,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.68 : 4,838.48 = 1,278.32 : x
  2. Step 2: Convert to fraction form
    3,225.68/4,838.48 = 1,278.32/x
  3. Step 3: Cross multiply
    3,225.68x = 4,838.48 × 1,278.32
  4. Step 4: Simplify right side
    3,225.68x = 6,185,125.75
  5. Step 5: Solve for x
    x = 6,185,125.75/3,225.68
  6. Step 6: Final answer
    x = 1,917.46

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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.