Home / 2,753.13-4,127.79-1,455.51

Finding the Fourth Proportional to 2,753.13, 4,127.79 and 1,455.51

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Solution

The fourth proportional to 2,753.13, 4,127.79 and 1,455.51 is: 2,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.13 : 4,127.79 = 1,455.51 : x
  2. Step 2: Convert to fraction form
    2,753.13/4,127.79 = 1,455.51/x
  3. Step 3: Cross multiply
    2,753.13x = 4,127.79 × 1,455.51
  4. Step 4: Simplify right side
    2,753.13x = 6,008,039.62
  5. Step 5: Solve for x
    x = 6,008,039.62/2,753.13
  6. Step 6: Final answer
    x = 2,182.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.