Home / 3,192.64-4,786.40-1,654.08

Finding the Fourth Proportional to 3,192.64, 4,786.40 and 1,654.08

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Solution

The fourth proportional to 3,192.64, 4,786.40 and 1,654.08 is: 2,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.64 : 4,786.40 = 1,654.08 : x
  2. Step 2: Convert to fraction form
    3,192.64/4,786.40 = 1,654.08/x
  3. Step 3: Cross multiply
    3,192.64x = 4,786.40 × 1,654.08
  4. Step 4: Simplify right side
    3,192.64x = 7,917,088.51
  5. Step 5: Solve for x
    x = 7,917,088.51/3,192.64
  6. Step 6: Final answer
    x = 2,479.79

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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.