Home / 2,860.62-4,291.17-1,217.58

Finding the Fourth Proportional to 2,860.62, 4,291.17 and 1,217.58

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Solution

The fourth proportional to 2,860.62, 4,291.17 and 1,217.58 is: 1,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.62 : 4,291.17 = 1,217.58 : x
  2. Step 2: Convert to fraction form
    2,860.62/4,291.17 = 1,217.58/x
  3. Step 3: Cross multiply
    2,860.62x = 4,291.17 × 1,217.58
  4. Step 4: Simplify right side
    2,860.62x = 5,224,842.77
  5. Step 5: Solve for x
    x = 5,224,842.77/2,860.62
  6. Step 6: Final answer
    x = 1,826.47

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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.