Home / 3,686.41-5,529.62-1,089.55

Finding the Fourth Proportional to 3,686.41, 5,529.62 and 1,089.55

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Solution

The fourth proportional to 3,686.41, 5,529.62 and 1,089.55 is: 1,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.41 : 5,529.62 = 1,089.55 : x
  2. Step 2: Convert to fraction form
    3,686.41/5,529.62 = 1,089.55/x
  3. Step 3: Cross multiply
    3,686.41x = 5,529.62 × 1,089.55
  4. Step 4: Simplify right side
    3,686.41x = 6,024,797.47
  5. Step 5: Solve for x
    x = 6,024,797.47/3,686.41
  6. Step 6: Final answer
    x = 1,634.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.