Home / 3,223.16-4,837.48-1,276.72

Finding the Fourth Proportional to 3,223.16, 4,837.48 and 1,276.72

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Solution

The fourth proportional to 3,223.16, 4,837.48 and 1,276.72 is: 1,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.16 : 4,837.48 = 1,276.72 : x
  2. Step 2: Convert to fraction form
    3,223.16/4,837.48 = 1,276.72/x
  3. Step 3: Cross multiply
    3,223.16x = 4,837.48 × 1,276.72
  4. Step 4: Simplify right side
    3,223.16x = 6,176,107.47
  5. Step 5: Solve for x
    x = 6,176,107.47/3,223.16
  6. Step 6: Final answer
    x = 1,916.17

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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.