Home / 2,818.28-4,218.06-1,717.22

Finding the Fourth Proportional to 2,818.28, 4,218.06 and 1,717.22

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Solution

The fourth proportional to 2,818.28, 4,218.06 and 1,717.22 is: 2,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.28 : 4,218.06 = 1,717.22 : x
  2. Step 2: Convert to fraction form
    2,818.28/4,218.06 = 1,717.22/x
  3. Step 3: Cross multiply
    2,818.28x = 4,218.06 × 1,717.22
  4. Step 4: Simplify right side
    2,818.28x = 7,243,336.99
  5. Step 5: Solve for x
    x = 7,243,336.99/2,818.28
  6. Step 6: Final answer
    x = 2,570.13

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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.