Home / 1,749.18-2,623.77-516.49

Finding the Fourth Proportional to 1,749.18, 2,623.77 and 516.49

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Solution

The fourth proportional to 1,749.18, 2,623.77 and 516.49 is: 774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.18 : 2,623.77 = 516.49 : x
  2. Step 2: Convert to fraction form
    1,749.18/2,623.77 = 516.49/x
  3. Step 3: Cross multiply
    1,749.18x = 2,623.77 × 516.49
  4. Step 4: Simplify right side
    1,749.18x = 1,355,150.97
  5. Step 5: Solve for x
    x = 1,355,150.97/1,749.18
  6. Step 6: Final answer
    x = 774.74

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Half scale
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Similar ratio
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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.