Home / 1,759.17-2,640.80-1,029.27

Finding the Fourth Proportional to 1,759.17, 2,640.80 and 1,029.27

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Solution

The fourth proportional to 1,759.17, 2,640.80 and 1,029.27 is: 1,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.17 : 2,640.80 = 1,029.27 : x
  2. Step 2: Convert to fraction form
    1,759.17/2,640.80 = 1,029.27/x
  3. Step 3: Cross multiply
    1,759.17x = 2,640.80 × 1,029.27
  4. Step 4: Simplify right side
    1,759.17x = 2,718,096.22
  5. Step 5: Solve for x
    x = 2,718,096.22/1,759.17
  6. Step 6: Final answer
    x = 1,545.10

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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.