Home / 3,225.66-4,838.28-1,278.02

Finding the Fourth Proportional to 3,225.66, 4,838.28 and 1,278.02

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Solution

The fourth proportional to 3,225.66, 4,838.28 and 1,278.02 is: 1,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.66 : 4,838.28 = 1,278.02 : x
  2. Step 2: Convert to fraction form
    3,225.66/4,838.28 = 1,278.02/x
  3. Step 3: Cross multiply
    3,225.66x = 4,838.28 × 1,278.02
  4. Step 4: Simplify right side
    3,225.66x = 6,183,394.41
  5. Step 5: Solve for x
    x = 6,183,394.41/3,225.66
  6. Step 6: Final answer
    x = 1,916.94

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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.