Home / 2,675.24-3,691.98-1,556.20

Finding the Fourth Proportional to 2,675.24, 3,691.98 and 1,556.20

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Solution

The fourth proportional to 2,675.24, 3,691.98 and 1,556.20 is: 2,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.24 : 3,691.98 = 1,556.20 : x
  2. Step 2: Convert to fraction form
    2,675.24/3,691.98 = 1,556.20/x
  3. Step 3: Cross multiply
    2,675.24x = 3,691.98 × 1,556.20
  4. Step 4: Simplify right side
    2,675.24x = 5,745,459.28
  5. Step 5: Solve for x
    x = 5,745,459.28/2,675.24
  6. Step 6: Final answer
    x = 2,147.64

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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.