Home / 4,054.80-6,080.40-1,864.20

Finding the Fourth Proportional to 4,054.80, 6,080.40 and 1,864.20

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Solution

The fourth proportional to 4,054.80, 6,080.40 and 1,864.20 is: 2,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.80 : 6,080.40 = 1,864.20 : x
  2. Step 2: Convert to fraction form
    4,054.80/6,080.40 = 1,864.20/x
  3. Step 3: Cross multiply
    4,054.80x = 6,080.40 × 1,864.20
  4. Step 4: Simplify right side
    4,054.80x = 11,335,081.68
  5. Step 5: Solve for x
    x = 11,335,081.68/4,054.80
  6. Step 6: Final answer
    x = 2,795.47

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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.