Home / 3,611.93-5,418.08-1,015.07

Finding the Fourth Proportional to 3,611.93, 5,418.08 and 1,015.07

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Solution

The fourth proportional to 3,611.93, 5,418.08 and 1,015.07 is: 1,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.93 : 5,418.08 = 1,015.07 : x
  2. Step 2: Convert to fraction form
    3,611.93/5,418.08 = 1,015.07/x
  3. Step 3: Cross multiply
    3,611.93x = 5,418.08 × 1,015.07
  4. Step 4: Simplify right side
    3,611.93x = 5,499,730.47
  5. Step 5: Solve for x
    x = 5,499,730.47/3,611.93
  6. Step 6: Final answer
    x = 1,522.66

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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.