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Finding the Fourth Proportional to 3,935.41, 5,899.97 and 1,854.32

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Solution

The fourth proportional to 3,935.41, 5,899.97 and 1,854.32 is: 2,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.41 : 5,899.97 = 1,854.32 : x
  2. Step 2: Convert to fraction form
    3,935.41/5,899.97 = 1,854.32/x
  3. Step 3: Cross multiply
    3,935.41x = 5,899.97 × 1,854.32
  4. Step 4: Simplify right side
    3,935.41x = 10,940,407.51
  5. Step 5: Solve for x
    x = 10,940,407.51/3,935.41
  6. Step 6: Final answer
    x = 2,779.99

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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.