Home / 2,767.12-3,818.49-1,508.17

Finding the Fourth Proportional to 2,767.12, 3,818.49 and 1,508.17

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Solution

The fourth proportional to 2,767.12, 3,818.49 and 1,508.17 is: 2,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.12 : 3,818.49 = 1,508.17 : x
  2. Step 2: Convert to fraction form
    2,767.12/3,818.49 = 1,508.17/x
  3. Step 3: Cross multiply
    2,767.12x = 3,818.49 × 1,508.17
  4. Step 4: Simplify right side
    2,767.12x = 5,758,932.06
  5. Step 5: Solve for x
    x = 5,758,932.06/2,767.12
  6. Step 6: Final answer
    x = 2,081.20

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1.5x scale

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.