Home / 3,192.64-4,782.56-1,458.88

Finding the Fourth Proportional to 3,192.64, 4,782.56 and 1,458.88

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Solution

The fourth proportional to 3,192.64, 4,782.56 and 1,458.88 is: 2,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.64 : 4,782.56 = 1,458.88 : x
  2. Step 2: Convert to fraction form
    3,192.64/4,782.56 = 1,458.88/x
  3. Step 3: Cross multiply
    3,192.64x = 4,782.56 × 1,458.88
  4. Step 4: Simplify right side
    3,192.64x = 6,977,181.13
  5. Step 5: Solve for x
    x = 6,977,181.13/3,192.64
  6. Step 6: Final answer
    x = 2,185.40

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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.