Home / 1,717.49-2,576.24-485.03

Finding the Fourth Proportional to 1,717.49, 2,576.24 and 485.03

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Solution

The fourth proportional to 1,717.49, 2,576.24 and 485.03 is: 727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.49 : 2,576.24 = 485.03 : x
  2. Step 2: Convert to fraction form
    1,717.49/2,576.24 = 485.03/x
  3. Step 3: Cross multiply
    1,717.49x = 2,576.24 × 485.03
  4. Step 4: Simplify right side
    1,717.49x = 1,249,553.69
  5. Step 5: Solve for x
    x = 1,249,553.69/1,717.49
  6. Step 6: Final answer
    x = 727.55

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Half scale
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Double 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.