Home / 2,629.92-3,629.36-1,511.07

Finding the Fourth Proportional to 2,629.92, 3,629.36 and 1,511.07

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Solution

The fourth proportional to 2,629.92, 3,629.36 and 1,511.07 is: 2,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.92 : 3,629.36 = 1,511.07 : x
  2. Step 2: Convert to fraction form
    2,629.92/3,629.36 = 1,511.07/x
  3. Step 3: Cross multiply
    2,629.92x = 3,629.36 × 1,511.07
  4. Step 4: Simplify right side
    2,629.92x = 5,484,217.02
  5. Step 5: Solve for x
    x = 5,484,217.02/2,629.92
  6. Step 6: Final answer
    x = 2,085.32

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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.