Home / 2,152.12-3,231.96-1,860.52

Finding the Fourth Proportional to 2,152.12, 3,231.96 and 1,860.52

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Solution

The fourth proportional to 2,152.12, 3,231.96 and 1,860.52 is: 2,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.12 : 3,231.96 = 1,860.52 : x
  2. Step 2: Convert to fraction form
    2,152.12/3,231.96 = 1,860.52/x
  3. Step 3: Cross multiply
    2,152.12x = 3,231.96 × 1,860.52
  4. Step 4: Simplify right side
    2,152.12x = 6,013,126.22
  5. Step 5: Solve for x
    x = 6,013,126.22/2,152.12
  6. Step 6: Final answer
    x = 2,794.05

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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.