Home / 1,982.83-2,736.36-1,098.76

Finding the Fourth Proportional to 1,982.83, 2,736.36 and 1,098.76

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Solution

The fourth proportional to 1,982.83, 2,736.36 and 1,098.76 is: 1,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.83 : 2,736.36 = 1,098.76 : x
  2. Step 2: Convert to fraction form
    1,982.83/2,736.36 = 1,098.76/x
  3. Step 3: Cross multiply
    1,982.83x = 2,736.36 × 1,098.76
  4. Step 4: Simplify right side
    1,982.83x = 3,006,602.91
  5. Step 5: Solve for x
    x = 3,006,602.91/1,982.83
  6. Step 6: Final answer
    x = 1,516.32

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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.