Home / 2,730.06-4,095.04-1,805.40

Finding the Fourth Proportional to 2,730.06, 4,095.04 and 1,805.40

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Solution

The fourth proportional to 2,730.06, 4,095.04 and 1,805.40 is: 2,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.06 : 4,095.04 = 1,805.40 : x
  2. Step 2: Convert to fraction form
    2,730.06/4,095.04 = 1,805.40/x
  3. Step 3: Cross multiply
    2,730.06x = 4,095.04 × 1,805.40
  4. Step 4: Simplify right side
    2,730.06x = 7,393,185.22
  5. Step 5: Solve for x
    x = 7,393,185.22/2,730.06
  6. Step 6: Final answer
    x = 2,708.07

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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.