Home / 2,767.13-3,818.49-1,508.18

Finding the Fourth Proportional to 2,767.13, 3,818.49 and 1,508.18

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Solution

The fourth proportional to 2,767.13, 3,818.49 and 1,508.18 is: 2,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.13 : 3,818.49 = 1,508.18 : x
  2. Step 2: Convert to fraction form
    2,767.13/3,818.49 = 1,508.18/x
  3. Step 3: Cross multiply
    2,767.13x = 3,818.49 × 1,508.18
  4. Step 4: Simplify right side
    2,767.13x = 5,758,956.81
  5. Step 5: Solve for x
    x = 5,758,956.81/2,767.13
  6. Step 6: Final answer
    x = 2,081.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.