Home / 1,981.04-2,733.42-1,508.84

Finding the Fourth Proportional to 1,981.04, 2,733.42 and 1,508.84

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Solution

The fourth proportional to 1,981.04, 2,733.42 and 1,508.84 is: 2,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.04 : 2,733.42 = 1,508.84 : x
  2. Step 2: Convert to fraction form
    1,981.04/2,733.42 = 1,508.84/x
  3. Step 3: Cross multiply
    1,981.04x = 2,733.42 × 1,508.84
  4. Step 4: Simplify right side
    1,981.04x = 4,124,293.43
  5. Step 5: Solve for x
    x = 4,124,293.43/1,981.04
  6. Step 6: Final answer
    x = 2,081.88

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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.