Home / 3,171.20-4,756.44-1,223.24

Finding the Fourth Proportional to 3,171.20, 4,756.44 and 1,223.24

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Solution

The fourth proportional to 3,171.20, 4,756.44 and 1,223.24 is: 1,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.20 : 4,756.44 = 1,223.24 : x
  2. Step 2: Convert to fraction form
    3,171.20/4,756.44 = 1,223.24/x
  3. Step 3: Cross multiply
    3,171.20x = 4,756.44 × 1,223.24
  4. Step 4: Simplify right side
    3,171.20x = 5,818,267.67
  5. Step 5: Solve for x
    x = 5,818,267.67/3,171.20
  6. Step 6: Final answer
    x = 1,834.72

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1.5x scale

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.