Home / 2,830.14-4,246.86-1,186.56

Finding the Fourth Proportional to 2,830.14, 4,246.86 and 1,186.56

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Solution

The fourth proportional to 2,830.14, 4,246.86 and 1,186.56 is: 1,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.14 : 4,246.86 = 1,186.56 : x
  2. Step 2: Convert to fraction form
    2,830.14/4,246.86 = 1,186.56/x
  3. Step 3: Cross multiply
    2,830.14x = 4,246.86 × 1,186.56
  4. Step 4: Simplify right side
    2,830.14x = 5,039,154.20
  5. Step 5: Solve for x
    x = 5,039,154.20/2,830.14
  6. Step 6: Final answer
    x = 1,780.53

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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.