Home / 3,841.68-5,762.88-1,243.92

Finding the Fourth Proportional to 3,841.68, 5,762.88 and 1,243.92

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Solution

The fourth proportional to 3,841.68, 5,762.88 and 1,243.92 is: 1,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.68 : 5,762.88 = 1,243.92 : x
  2. Step 2: Convert to fraction form
    3,841.68/5,762.88 = 1,243.92/x
  3. Step 3: Cross multiply
    3,841.68x = 5,762.88 × 1,243.92
  4. Step 4: Simplify right side
    3,841.68x = 7,168,561.69
  5. Step 5: Solve for x
    x = 7,168,561.69/3,841.68
  6. Step 6: Final answer
    x = 1,866.00

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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.