Home / 2,113.44-2,917.20-1,450

Finding the Fourth Proportional to 2,113.44, 2,917.20 and 1,450

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Solution

The fourth proportional to 2,113.44, 2,917.20 and 1,450 is: 2,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.44 : 2,917.20 = 1,450 : x
  2. Step 2: Convert to fraction form
    2,113.44/2,917.20 = 1,450/x
  3. Step 3: Cross multiply
    2,113.44x = 2,917.20 × 1,450
  4. Step 4: Simplify right side
    2,113.44x = 4,229,940
  5. Step 5: Solve for x
    x = 4,229,940/2,113.44
  6. Step 6: Final answer
    x = 2,001.45

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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.