Home / 3,160.01-4,739.72-1,781.90

Finding the Fourth Proportional to 3,160.01, 4,739.72 and 1,781.90

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Solution

The fourth proportional to 3,160.01, 4,739.72 and 1,781.90 is: 2,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.01 : 4,739.72 = 1,781.90 : x
  2. Step 2: Convert to fraction form
    3,160.01/4,739.72 = 1,781.90/x
  3. Step 3: Cross multiply
    3,160.01x = 4,739.72 × 1,781.90
  4. Step 4: Simplify right side
    3,160.01x = 8,445,692.23
  5. Step 5: Solve for x
    x = 8,445,692.23/3,160.01
  6. Step 6: Final answer
    x = 2,672.68

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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.