Home / 2,743.65-3,786.03-1,564.74

Finding the Fourth Proportional to 2,743.65, 3,786.03 and 1,564.74

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Solution

The fourth proportional to 2,743.65, 3,786.03 and 1,564.74 is: 2,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.65 : 3,786.03 = 1,564.74 : x
  2. Step 2: Convert to fraction form
    2,743.65/3,786.03 = 1,564.74/x
  3. Step 3: Cross multiply
    2,743.65x = 3,786.03 × 1,564.74
  4. Step 4: Simplify right side
    2,743.65x = 5,924,152.58
  5. Step 5: Solve for x
    x = 5,924,152.58/2,743.65
  6. Step 6: Final answer
    x = 2,159.22

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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.