Home / 3,171.24-4,756.90-1,416.34

Finding the Fourth Proportional to 3,171.24, 4,756.90 and 1,416.34

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Solution

The fourth proportional to 3,171.24, 4,756.90 and 1,416.34 is: 2,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.24 : 4,756.90 = 1,416.34 : x
  2. Step 2: Convert to fraction form
    3,171.24/4,756.90 = 1,416.34/x
  3. Step 3: Cross multiply
    3,171.24x = 4,756.90 × 1,416.34
  4. Step 4: Simplify right side
    3,171.24x = 6,737,356.88
  5. Step 5: Solve for x
    x = 6,737,356.88/3,171.24
  6. Step 6: Final answer
    x = 2,124.52

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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.