Home / 3,759.53-5,188.59-2,187.62

Finding the Fourth Proportional to 3,759.53, 5,188.59 and 2,187.62

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Solution

The fourth proportional to 3,759.53, 5,188.59 and 2,187.62 is: 3,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.53 : 5,188.59 = 2,187.62 : x
  2. Step 2: Convert to fraction form
    3,759.53/5,188.59 = 2,187.62/x
  3. Step 3: Cross multiply
    3,759.53x = 5,188.59 × 2,187.62
  4. Step 4: Simplify right side
    3,759.53x = 11,350,637.31
  5. Step 5: Solve for x
    x = 11,350,637.31/3,759.53
  6. Step 6: Final answer
    x = 3,019.17

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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.