Home / 2,044.70-2,821.72-1,113.20

Finding the Fourth Proportional to 2,044.70, 2,821.72 and 1,113.20

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Solution

The fourth proportional to 2,044.70, 2,821.72 and 1,113.20 is: 1,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.70 : 2,821.72 = 1,113.20 : x
  2. Step 2: Convert to fraction form
    2,044.70/2,821.72 = 1,113.20/x
  3. Step 3: Cross multiply
    2,044.70x = 2,821.72 × 1,113.20
  4. Step 4: Simplify right side
    2,044.70x = 3,141,138.70
  5. Step 5: Solve for x
    x = 3,141,138.70/2,044.70
  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.