Home / 3,458.16-4,772.32-1,966.12

Finding the Fourth Proportional to 3,458.16, 4,772.32 and 1,966.12

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Solution

The fourth proportional to 3,458.16, 4,772.32 and 1,966.12 is: 2,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.16 : 4,772.32 = 1,966.12 : x
  2. Step 2: Convert to fraction form
    3,458.16/4,772.32 = 1,966.12/x
  3. Step 3: Cross multiply
    3,458.16x = 4,772.32 × 1,966.12
  4. Step 4: Simplify right side
    3,458.16x = 9,382,953.80
  5. Step 5: Solve for x
    x = 9,382,953.80/3,458.16
  6. Step 6: Final answer
    x = 2,713.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.