Home / 3,104.06-4,656.90-1,871.78

Finding the Fourth Proportional to 3,104.06, 4,656.90 and 1,871.78

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Solution

The fourth proportional to 3,104.06, 4,656.90 and 1,871.78 is: 2,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.06 : 4,656.90 = 1,871.78 : x
  2. Step 2: Convert to fraction form
    3,104.06/4,656.90 = 1,871.78/x
  3. Step 3: Cross multiply
    3,104.06x = 4,656.90 × 1,871.78
  4. Step 4: Simplify right side
    3,104.06x = 8,716,692.28
  5. Step 5: Solve for x
    x = 8,716,692.28/3,104.06
  6. Step 6: Final answer
    x = 2,808.16

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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.