Home / 3,068.85-4,602.78-1,219.83

Finding the Fourth Proportional to 3,068.85, 4,602.78 and 1,219.83

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Solution

The fourth proportional to 3,068.85, 4,602.78 and 1,219.83 is: 1,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.85 : 4,602.78 = 1,219.83 : x
  2. Step 2: Convert to fraction form
    3,068.85/4,602.78 = 1,219.83/x
  3. Step 3: Cross multiply
    3,068.85x = 4,602.78 × 1,219.83
  4. Step 4: Simplify right side
    3,068.85x = 5,614,609.13
  5. Step 5: Solve for x
    x = 5,614,609.13/3,068.85
  6. Step 6: Final answer
    x = 1,829.55

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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.