Home / 2,127.68-2,935.32-1,536.92

Finding the Fourth Proportional to 2,127.68, 2,935.32 and 1,536.92

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Solution

The fourth proportional to 2,127.68, 2,935.32 and 1,536.92 is: 2,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.68 : 2,935.32 = 1,536.92 : x
  2. Step 2: Convert to fraction form
    2,127.68/2,935.32 = 1,536.92/x
  3. Step 3: Cross multiply
    2,127.68x = 2,935.32 × 1,536.92
  4. Step 4: Simplify right side
    2,127.68x = 4,511,337.34
  5. Step 5: Solve for x
    x = 4,511,337.34/2,127.68
  6. Step 6: Final answer
    x = 2,120.31

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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.