Home / 3,523.05-4,860-2,858.76

Finding the Fourth Proportional to 3,523.05, 4,860 and 2,858.76

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Solution

The fourth proportional to 3,523.05, 4,860 and 2,858.76 is: 3,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.05 : 4,860 = 2,858.76 : x
  2. Step 2: Convert to fraction form
    3,523.05/4,860 = 2,858.76/x
  3. Step 3: Cross multiply
    3,523.05x = 4,860 × 2,858.76
  4. Step 4: Simplify right side
    3,523.05x = 13,893,573.60
  5. Step 5: Solve for x
    x = 13,893,573.60/3,523.05
  6. Step 6: Final answer
    x = 3,943.62

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.