Home / 3,760.47-5,640.35-1,294.95

Finding the Fourth Proportional to 3,760.47, 5,640.35 and 1,294.95

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Solution

The fourth proportional to 3,760.47, 5,640.35 and 1,294.95 is: 1,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.47 : 5,640.35 = 1,294.95 : x
  2. Step 2: Convert to fraction form
    3,760.47/5,640.35 = 1,294.95/x
  3. Step 3: Cross multiply
    3,760.47x = 5,640.35 × 1,294.95
  4. Step 4: Simplify right side
    3,760.47x = 7,303,964.76
  5. Step 5: Solve for x
    x = 7,303,964.76/3,760.47
  6. Step 6: Final answer
    x = 1,942.30

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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.