Home / 2,629.91-3,629.26-1,510.97

Finding the Fourth Proportional to 2,629.91, 3,629.26 and 1,510.97

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Solution

The fourth proportional to 2,629.91, 3,629.26 and 1,510.97 is: 2,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.91 : 3,629.26 = 1,510.97 : x
  2. Step 2: Convert to fraction form
    2,629.91/3,629.26 = 1,510.97/x
  3. Step 3: Cross multiply
    2,629.91x = 3,629.26 × 1,510.97
  4. Step 4: Simplify right side
    2,629.91x = 5,483,702.98
  5. Step 5: Solve for x
    x = 5,483,702.98/2,629.91
  6. Step 6: Final answer
    x = 2,085.13

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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.