Home / 3,149.62-4,720.68-1,298.36

Finding the Fourth Proportional to 3,149.62, 4,720.68 and 1,298.36

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Solution

The fourth proportional to 3,149.62, 4,720.68 and 1,298.36 is: 1,946.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.62 : 4,720.68 = 1,298.36 : x
  2. Step 2: Convert to fraction form
    3,149.62/4,720.68 = 1,298.36/x
  3. Step 3: Cross multiply
    3,149.62x = 4,720.68 × 1,298.36
  4. Step 4: Simplify right side
    3,149.62x = 6,129,153.89
  5. Step 5: Solve for x
    x = 6,129,153.89/3,149.62
  6. Step 6: Final answer
    x = 1,946.00

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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.