Home / 3,645.81-5,029.74-2,648.88

Finding the Fourth Proportional to 3,645.81, 5,029.74 and 2,648.88

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Solution

The fourth proportional to 3,645.81, 5,029.74 and 2,648.88 is: 3,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.81 : 5,029.74 = 2,648.88 : x
  2. Step 2: Convert to fraction form
    3,645.81/5,029.74 = 2,648.88/x
  3. Step 3: Cross multiply
    3,645.81x = 5,029.74 × 2,648.88
  4. Step 4: Simplify right side
    3,645.81x = 13,323,177.69
  5. Step 5: Solve for x
    x = 13,323,177.69/3,645.81
  6. Step 6: Final answer
    x = 3,654.38

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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.