Home / 3,246.94-4,870.20-1,272.48

Finding the Fourth Proportional to 3,246.94, 4,870.20 and 1,272.48

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Solution

The fourth proportional to 3,246.94, 4,870.20 and 1,272.48 is: 1,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.94 : 4,870.20 = 1,272.48 : x
  2. Step 2: Convert to fraction form
    3,246.94/4,870.20 = 1,272.48/x
  3. Step 3: Cross multiply
    3,246.94x = 4,870.20 × 1,272.48
  4. Step 4: Simplify right side
    3,246.94x = 6,197,256.12
  5. Step 5: Solve for x
    x = 6,197,256.12/3,246.94
  6. Step 6: Final answer
    x = 1,908.65

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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.