Home / 3,743.47-5,611.40-2,428.05

Finding the Fourth Proportional to 3,743.47, 5,611.40 and 2,428.05

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Solution

The fourth proportional to 3,743.47, 5,611.40 and 2,428.05 is: 3,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.47 : 5,611.40 = 2,428.05 : x
  2. Step 2: Convert to fraction form
    3,743.47/5,611.40 = 2,428.05/x
  3. Step 3: Cross multiply
    3,743.47x = 5,611.40 × 2,428.05
  4. Step 4: Simplify right side
    3,743.47x = 13,624,768.82
  5. Step 5: Solve for x
    x = 13,624,768.82/3,743.47
  6. Step 6: Final answer
    x = 3,639.61

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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.