Home / 1,727.85-2,591.85-982.15

Finding the Fourth Proportional to 1,727.85, 2,591.85 and 982.15

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Solution

The fourth proportional to 1,727.85, 2,591.85 and 982.15 is: 1,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.85 : 2,591.85 = 982.15 : x
  2. Step 2: Convert to fraction form
    1,727.85/2,591.85 = 982.15/x
  3. Step 3: Cross multiply
    1,727.85x = 2,591.85 × 982.15
  4. Step 4: Simplify right side
    1,727.85x = 2,545,585.48
  5. Step 5: Solve for x
    x = 2,545,585.48/1,727.85
  6. Step 6: Final answer
    x = 1,473.27

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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.