Home / 1,747.40-2,622.32-1,098.56

Finding the Fourth Proportional to 1,747.40, 2,622.32 and 1,098.56

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Solution

The fourth proportional to 1,747.40, 2,622.32 and 1,098.56 is: 1,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.40 : 2,622.32 = 1,098.56 : x
  2. Step 2: Convert to fraction form
    1,747.40/2,622.32 = 1,098.56/x
  3. Step 3: Cross multiply
    1,747.40x = 2,622.32 × 1,098.56
  4. Step 4: Simplify right side
    1,747.40x = 2,880,775.86
  5. Step 5: Solve for x
    x = 2,880,775.86/1,747.40
  6. Step 6: Final answer
    x = 1,648.61

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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.