Home / 2,663.99-3,675.75-1,615.85

Finding the Fourth Proportional to 2,663.99, 3,675.75 and 1,615.85

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Solution

The fourth proportional to 2,663.99, 3,675.75 and 1,615.85 is: 2,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.99 : 3,675.75 = 1,615.85 : x
  2. Step 2: Convert to fraction form
    2,663.99/3,675.75 = 1,615.85/x
  3. Step 3: Cross multiply
    2,663.99x = 3,675.75 × 1,615.85
  4. Step 4: Simplify right side
    2,663.99x = 5,939,460.64
  5. Step 5: Solve for x
    x = 5,939,460.64/2,663.99
  6. Step 6: Final answer
    x = 2,229.54

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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.