Home / 1,509.30-2,083.77-1,195.83

Finding the Fourth Proportional to 1,509.30, 2,083.77 and 1,195.83

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Solution

The fourth proportional to 1,509.30, 2,083.77 and 1,195.83 is: 1,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.30 : 2,083.77 = 1,195.83 : x
  2. Step 2: Convert to fraction form
    1,509.30/2,083.77 = 1,195.83/x
  3. Step 3: Cross multiply
    1,509.30x = 2,083.77 × 1,195.83
  4. Step 4: Simplify right side
    1,509.30x = 2,491,834.68
  5. Step 5: Solve for x
    x = 2,491,834.68/1,509.30
  6. Step 6: Final answer
    x = 1,650.99

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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.