Home / 3,048.20-4,571.58-1,315.88

Finding the Fourth Proportional to 3,048.20, 4,571.58 and 1,315.88

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Solution

The fourth proportional to 3,048.20, 4,571.58 and 1,315.88 is: 1,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.20 : 4,571.58 = 1,315.88 : x
  2. Step 2: Convert to fraction form
    3,048.20/4,571.58 = 1,315.88/x
  3. Step 3: Cross multiply
    3,048.20x = 4,571.58 × 1,315.88
  4. Step 4: Simplify right side
    3,048.20x = 6,015,650.69
  5. Step 5: Solve for x
    x = 6,015,650.69/3,048.20
  6. Step 6: Final answer
    x = 1,973.51

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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.