Home / 2,319.94-3,480.10-933.10

Finding the Fourth Proportional to 2,319.94, 3,480.10 and 933.10

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Solution

The fourth proportional to 2,319.94, 3,480.10 and 933.10 is: 1,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.94 : 3,480.10 = 933.10 : x
  2. Step 2: Convert to fraction form
    2,319.94/3,480.10 = 933.10/x
  3. Step 3: Cross multiply
    2,319.94x = 3,480.10 × 933.10
  4. Step 4: Simplify right side
    2,319.94x = 3,247,281.31
  5. Step 5: Solve for x
    x = 3,247,281.31/2,319.94
  6. Step 6: Final answer
    x = 1,399.73

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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.