Home / 3,215.90-4,824.21-1,023.86

Finding the Fourth Proportional to 3,215.90, 4,824.21 and 1,023.86

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Solution

The fourth proportional to 3,215.90, 4,824.21 and 1,023.86 is: 1,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.90 : 4,824.21 = 1,023.86 : x
  2. Step 2: Convert to fraction form
    3,215.90/4,824.21 = 1,023.86/x
  3. Step 3: Cross multiply
    3,215.90x = 4,824.21 × 1,023.86
  4. Step 4: Simplify right side
    3,215.90x = 4,939,315.65
  5. Step 5: Solve for x
    x = 4,939,315.65/3,215.90
  6. Step 6: Final answer
    x = 1,535.90

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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.