Home / 3,660.39-5,487.48-1,685.41

Finding the Fourth Proportional to 3,660.39, 5,487.48 and 1,685.41

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Solution

The fourth proportional to 3,660.39, 5,487.48 and 1,685.41 is: 2,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.39 : 5,487.48 = 1,685.41 : x
  2. Step 2: Convert to fraction form
    3,660.39/5,487.48 = 1,685.41/x
  3. Step 3: Cross multiply
    3,660.39x = 5,487.48 × 1,685.41
  4. Step 4: Simplify right side
    3,660.39x = 9,248,639.95
  5. Step 5: Solve for x
    x = 9,248,639.95/3,660.39
  6. Step 6: Final answer
    x = 2,526.68

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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.