Home / 2,730.63-3,769.66-1,611.91

Finding the Fourth Proportional to 2,730.63, 3,769.66 and 1,611.91

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Solution

The fourth proportional to 2,730.63, 3,769.66 and 1,611.91 is: 2,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.63 : 3,769.66 = 1,611.91 : x
  2. Step 2: Convert to fraction form
    2,730.63/3,769.66 = 1,611.91/x
  3. Step 3: Cross multiply
    2,730.63x = 3,769.66 × 1,611.91
  4. Step 4: Simplify right side
    2,730.63x = 6,076,352.65
  5. Step 5: Solve for x
    x = 6,076,352.65/2,730.63
  6. Step 6: Final answer
    x = 2,225.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.