Home / 2,044.78-2,821.77-1,113.28

Finding the Fourth Proportional to 2,044.78, 2,821.77 and 1,113.28

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Solution

The fourth proportional to 2,044.78, 2,821.77 and 1,113.28 is: 1,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.78 : 2,821.77 = 1,113.28 : x
  2. Step 2: Convert to fraction form
    2,044.78/2,821.77 = 1,113.28/x
  3. Step 3: Cross multiply
    2,044.78x = 2,821.77 × 1,113.28
  4. Step 4: Simplify right side
    2,044.78x = 3,141,420.11
  5. Step 5: Solve for x
    x = 3,141,420.11/2,044.78
  6. Step 6: Final answer
    x = 1,536.31

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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.