Home / 3,168.83-4,752.87-1,219.66

Finding the Fourth Proportional to 3,168.83, 4,752.87 and 1,219.66

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Solution

The fourth proportional to 3,168.83, 4,752.87 and 1,219.66 is: 1,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.83 : 4,752.87 = 1,219.66 : x
  2. Step 2: Convert to fraction form
    3,168.83/4,752.87 = 1,219.66/x
  3. Step 3: Cross multiply
    3,168.83x = 4,752.87 × 1,219.66
  4. Step 4: Simplify right side
    3,168.83x = 5,796,885.42
  5. Step 5: Solve for x
    x = 5,796,885.42/3,168.83
  6. Step 6: Final answer
    x = 1,829.35

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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.