Home / 2,179.49-3,006.96-1,235.18

Finding the Fourth Proportional to 2,179.49, 3,006.96 and 1,235.18

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Solution

The fourth proportional to 2,179.49, 3,006.96 and 1,235.18 is: 1,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.49 : 3,006.96 = 1,235.18 : x
  2. Step 2: Convert to fraction form
    2,179.49/3,006.96 = 1,235.18/x
  3. Step 3: Cross multiply
    2,179.49x = 3,006.96 × 1,235.18
  4. Step 4: Simplify right side
    2,179.49x = 3,714,136.85
  5. Step 5: Solve for x
    x = 3,714,136.85/2,179.49
  6. Step 6: Final answer
    x = 1,704.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.