Home / 1,520.43-2,285.12-1,262.08

Finding the Fourth Proportional to 1,520.43, 2,285.12 and 1,262.08

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Solution

The fourth proportional to 1,520.43, 2,285.12 and 1,262.08 is: 1,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.43 : 2,285.12 = 1,262.08 : x
  2. Step 2: Convert to fraction form
    1,520.43/2,285.12 = 1,262.08/x
  3. Step 3: Cross multiply
    1,520.43x = 2,285.12 × 1,262.08
  4. Step 4: Simplify right side
    1,520.43x = 2,884,004.25
  5. Step 5: Solve for x
    x = 2,884,004.25/1,520.43
  6. Step 6: Final answer
    x = 1,896.83

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1.5x scale

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.