Home / 5,171.70-7,758.76-2,400.28

Finding the Fourth Proportional to 5,171.70, 7,758.76 and 2,400.28

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Solution

The fourth proportional to 5,171.70, 7,758.76 and 2,400.28 is: 3,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.70 : 7,758.76 = 2,400.28 : x
  2. Step 2: Convert to fraction form
    5,171.70/7,758.76 = 2,400.28/x
  3. Step 3: Cross multiply
    5,171.70x = 7,758.76 × 2,400.28
  4. Step 4: Simplify right side
    5,171.70x = 18,623,196.45
  5. Step 5: Solve for x
    x = 18,623,196.45/5,171.70
  6. Step 6: Final answer
    x = 3,600.98

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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.