Home / 2,730.80-4,095.39-999.02

Finding the Fourth Proportional to 2,730.80, 4,095.39 and 999.02

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Solution

The fourth proportional to 2,730.80, 4,095.39 and 999.02 is: 1,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.80 : 4,095.39 = 999.02 : x
  2. Step 2: Convert to fraction form
    2,730.80/4,095.39 = 999.02/x
  3. Step 3: Cross multiply
    2,730.80x = 4,095.39 × 999.02
  4. Step 4: Simplify right side
    2,730.80x = 4,091,376.52
  5. Step 5: Solve for x
    x = 4,091,376.52/2,730.80
  6. Step 6: Final answer
    x = 1,498.23

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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.