Home / 1,818.07-2,727.10-450.07

Finding the Fourth Proportional to 1,818.07, 2,727.10 and 450.07

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Solution

The fourth proportional to 1,818.07, 2,727.10 and 450.07 is: 675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.07 : 2,727.10 = 450.07 : x
  2. Step 2: Convert to fraction form
    1,818.07/2,727.10 = 450.07/x
  3. Step 3: Cross multiply
    1,818.07x = 2,727.10 × 450.07
  4. Step 4: Simplify right side
    1,818.07x = 1,227,385.90
  5. Step 5: Solve for x
    x = 1,227,385.90/1,818.07
  6. Step 6: Final answer
    x = 675.10

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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.