Home / 1,983.02-2,736.32-1,098.77

Finding the Fourth Proportional to 1,983.02, 2,736.32 and 1,098.77

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Solution

The fourth proportional to 1,983.02, 2,736.32 and 1,098.77 is: 1,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.02 : 2,736.32 = 1,098.77 : x
  2. Step 2: Convert to fraction form
    1,983.02/2,736.32 = 1,098.77/x
  3. Step 3: Cross multiply
    1,983.02x = 2,736.32 × 1,098.77
  4. Step 4: Simplify right side
    1,983.02x = 3,006,567.15
  5. Step 5: Solve for x
    x = 3,006,567.15/1,983.02
  6. Step 6: Final answer
    x = 1,516.16

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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.