Home / 2,051.18-3,073.27-1,127.51

Finding the Fourth Proportional to 2,051.18, 3,073.27 and 1,127.51

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Solution

The fourth proportional to 2,051.18, 3,073.27 and 1,127.51 is: 1,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.18 : 3,073.27 = 1,127.51 : x
  2. Step 2: Convert to fraction form
    2,051.18/3,073.27 = 1,127.51/x
  3. Step 3: Cross multiply
    2,051.18x = 3,073.27 × 1,127.51
  4. Step 4: Simplify right side
    2,051.18x = 3,465,142.66
  5. Step 5: Solve for x
    x = 3,465,142.66/2,051.18
  6. Step 6: Final answer
    x = 1,689.34

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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.