Home / 1,517.57-2,285.96-1,425.33

Finding the Fourth Proportional to 1,517.57, 2,285.96 and 1,425.33

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Solution

The fourth proportional to 1,517.57, 2,285.96 and 1,425.33 is: 2,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.57 : 2,285.96 = 1,425.33 : x
  2. Step 2: Convert to fraction form
    1,517.57/2,285.96 = 1,425.33/x
  3. Step 3: Cross multiply
    1,517.57x = 2,285.96 × 1,425.33
  4. Step 4: Simplify right side
    1,517.57x = 3,258,240.24
  5. Step 5: Solve for x
    x = 3,258,240.24/1,517.57
  6. Step 6: Final answer
    x = 2,147.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.