Home / 3,124.92-4,686.69-933.36

Finding the Fourth Proportional to 3,124.92, 4,686.69 and 933.36

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Solution

The fourth proportional to 3,124.92, 4,686.69 and 933.36 is: 1,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.92 : 4,686.69 = 933.36 : x
  2. Step 2: Convert to fraction form
    3,124.92/4,686.69 = 933.36/x
  3. Step 3: Cross multiply
    3,124.92x = 4,686.69 × 933.36
  4. Step 4: Simplify right side
    3,124.92x = 4,374,368.98
  5. Step 5: Solve for x
    x = 4,374,368.98/3,124.92
  6. Step 6: Final answer
    x = 1,399.83

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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.