Home / 2,860.86-4,291.97-1,217.46

Finding the Fourth Proportional to 2,860.86, 4,291.97 and 1,217.46

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Solution

The fourth proportional to 2,860.86, 4,291.97 and 1,217.46 is: 1,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.86 : 4,291.97 = 1,217.46 : x
  2. Step 2: Convert to fraction form
    2,860.86/4,291.97 = 1,217.46/x
  3. Step 3: Cross multiply
    2,860.86x = 4,291.97 × 1,217.46
  4. Step 4: Simplify right side
    2,860.86x = 5,225,295.71
  5. Step 5: Solve for x
    x = 5,225,295.71/2,860.86
  6. Step 6: Final answer
    x = 1,826.48

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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.