Home / 3,080.52-4,618.88-1,326.64

Finding the Fourth Proportional to 3,080.52, 4,618.88 and 1,326.64

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Solution

The fourth proportional to 3,080.52, 4,618.88 and 1,326.64 is: 1,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.52 : 4,618.88 = 1,326.64 : x
  2. Step 2: Convert to fraction form
    3,080.52/4,618.88 = 1,326.64/x
  3. Step 3: Cross multiply
    3,080.52x = 4,618.88 × 1,326.64
  4. Step 4: Simplify right side
    3,080.52x = 6,127,590.96
  5. Step 5: Solve for x
    x = 6,127,590.96/3,080.52
  6. Step 6: Final answer
    x = 1,989.14

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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.