Home / 2,044.71-2,821.70-1,113.21

Finding the Fourth Proportional to 2,044.71, 2,821.70 and 1,113.21

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Solution

The fourth proportional to 2,044.71, 2,821.70 and 1,113.21 is: 1,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.71 : 2,821.70 = 1,113.21 : x
  2. Step 2: Convert to fraction form
    2,044.71/2,821.70 = 1,113.21/x
  3. Step 3: Cross multiply
    2,044.71x = 2,821.70 × 1,113.21
  4. Step 4: Simplify right side
    2,044.71x = 3,141,147.44
  5. Step 5: Solve for x
    x = 3,141,147.44/2,044.71
  6. Step 6: Final answer
    x = 1,536.23

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1.5x scale

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.