Home / 2,118.04-3,177.06-579.04

Finding the Fourth Proportional to 2,118.04, 3,177.06 and 579.04

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Solution

The fourth proportional to 2,118.04, 3,177.06 and 579.04 is: 868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.04 : 3,177.06 = 579.04 : x
  2. Step 2: Convert to fraction form
    2,118.04/3,177.06 = 579.04/x
  3. Step 3: Cross multiply
    2,118.04x = 3,177.06 × 579.04
  4. Step 4: Simplify right side
    2,118.04x = 1,839,644.82
  5. Step 5: Solve for x
    x = 1,839,644.82/2,118.04
  6. Step 6: Final answer
    x = 868.56

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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.