Home / 3,739.14-5,160-2,167.53

Finding the Fourth Proportional to 3,739.14, 5,160 and 2,167.53

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Solution

The fourth proportional to 3,739.14, 5,160 and 2,167.53 is: 2,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.14 : 5,160 = 2,167.53 : x
  2. Step 2: Convert to fraction form
    3,739.14/5,160 = 2,167.53/x
  3. Step 3: Cross multiply
    3,739.14x = 5,160 × 2,167.53
  4. Step 4: Simplify right side
    3,739.14x = 11,184,454.80
  5. Step 5: Solve for x
    x = 11,184,454.80/3,739.14
  6. Step 6: Final answer
    x = 2,991.18

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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.