Home / 2,735.65-3,775.28-1,556.79

Finding the Fourth Proportional to 2,735.65, 3,775.28 and 1,556.79

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Solution

The fourth proportional to 2,735.65, 3,775.28 and 1,556.79 is: 2,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.65 : 3,775.28 = 1,556.79 : x
  2. Step 2: Convert to fraction form
    2,735.65/3,775.28 = 1,556.79/x
  3. Step 3: Cross multiply
    2,735.65x = 3,775.28 × 1,556.79
  4. Step 4: Simplify right side
    2,735.65x = 5,877,327.59
  5. Step 5: Solve for x
    x = 5,877,327.59/2,735.65
  6. Step 6: Final answer
    x = 2,148.42

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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.