Home / 3,124.88-4,683-2,660.24

Finding the Fourth Proportional to 3,124.88, 4,683 and 2,660.24

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Solution

The fourth proportional to 3,124.88, 4,683 and 2,660.24 is: 3,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.88 : 4,683 = 2,660.24 : x
  2. Step 2: Convert to fraction form
    3,124.88/4,683 = 2,660.24/x
  3. Step 3: Cross multiply
    3,124.88x = 4,683 × 2,660.24
  4. Step 4: Simplify right side
    3,124.88x = 12,457,903.92
  5. Step 5: Solve for x
    x = 12,457,903.92/3,124.88
  6. Step 6: Final answer
    x = 3,986.68

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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.