Home / 1,818.14-2,727.18-450.14

Finding the Fourth Proportional to 1,818.14, 2,727.18 and 450.14

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Solution

The fourth proportional to 1,818.14, 2,727.18 and 450.14 is: 675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.14 : 2,727.18 = 450.14 : x
  2. Step 2: Convert to fraction form
    1,818.14/2,727.18 = 450.14/x
  3. Step 3: Cross multiply
    1,818.14x = 2,727.18 × 450.14
  4. Step 4: Simplify right side
    1,818.14x = 1,227,612.81
  5. Step 5: Solve for x
    x = 1,227,612.81/1,818.14
  6. Step 6: Final answer
    x = 675.20

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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.