Home / 2,675.29-3,691.79-1,556.18

Finding the Fourth Proportional to 2,675.29, 3,691.79 and 1,556.18

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Solution

The fourth proportional to 2,675.29, 3,691.79 and 1,556.18 is: 2,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.29 : 3,691.79 = 1,556.18 : x
  2. Step 2: Convert to fraction form
    2,675.29/3,691.79 = 1,556.18/x
  3. Step 3: Cross multiply
    2,675.29x = 3,691.79 × 1,556.18
  4. Step 4: Simplify right side
    2,675.29x = 5,745,089.76
  5. Step 5: Solve for x
    x = 5,745,089.76/2,675.29
  6. Step 6: Final answer
    x = 2,147.46

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1.5x scale

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.