Home / 2,320.12-3,479.39-933.11

Finding the Fourth Proportional to 2,320.12, 3,479.39 and 933.11

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Solution

The fourth proportional to 2,320.12, 3,479.39 and 933.11 is: 1,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.12 : 3,479.39 = 933.11 : x
  2. Step 2: Convert to fraction form
    2,320.12/3,479.39 = 933.11/x
  3. Step 3: Cross multiply
    2,320.12x = 3,479.39 × 933.11
  4. Step 4: Simplify right side
    2,320.12x = 3,246,653.60
  5. Step 5: Solve for x
    x = 3,246,653.60/2,320.12
  6. Step 6: Final answer
    x = 1,399.35

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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.