Home / 3,529.81-5,315.36-2,611.83

Finding the Fourth Proportional to 3,529.81, 5,315.36 and 2,611.83

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Solution

The fourth proportional to 3,529.81, 5,315.36 and 2,611.83 is: 3,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.81 : 5,315.36 = 2,611.83 : x
  2. Step 2: Convert to fraction form
    3,529.81/5,315.36 = 2,611.83/x
  3. Step 3: Cross multiply
    3,529.81x = 5,315.36 × 2,611.83
  4. Step 4: Simplify right side
    3,529.81x = 13,882,823.58
  5. Step 5: Solve for x
    x = 13,882,823.58/3,529.81
  6. Step 6: Final answer
    x = 3,933.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.