Home / 1,818.45-2,728.08-1,577.88

Finding the Fourth Proportional to 1,818.45, 2,728.08 and 1,577.88

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Solution

The fourth proportional to 1,818.45, 2,728.08 and 1,577.88 is: 2,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.45 : 2,728.08 = 1,577.88 : x
  2. Step 2: Convert to fraction form
    1,818.45/2,728.08 = 1,577.88/x
  3. Step 3: Cross multiply
    1,818.45x = 2,728.08 × 1,577.88
  4. Step 4: Simplify right side
    1,818.45x = 4,304,582.87
  5. Step 5: Solve for x
    x = 4,304,582.87/1,818.45
  6. Step 6: Final answer
    x = 2,367.17

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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.