Home / 3,611.04-5,416.74-1,145.61

Finding the Fourth Proportional to 3,611.04, 5,416.74 and 1,145.61

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Solution

The fourth proportional to 3,611.04, 5,416.74 and 1,145.61 is: 1,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.04 : 5,416.74 = 1,145.61 : x
  2. Step 2: Convert to fraction form
    3,611.04/5,416.74 = 1,145.61/x
  3. Step 3: Cross multiply
    3,611.04x = 5,416.74 × 1,145.61
  4. Step 4: Simplify right side
    3,611.04x = 6,205,471.51
  5. Step 5: Solve for x
    x = 6,205,471.51/3,611.04
  6. Step 6: Final answer
    x = 1,718.47

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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.