Home / 2,923.30-4,380.15-2,433.70

Finding the Fourth Proportional to 2,923.30, 4,380.15 and 2,433.70

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Solution

The fourth proportional to 2,923.30, 4,380.15 and 2,433.70 is: 3,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.30 : 4,380.15 = 2,433.70 : x
  2. Step 2: Convert to fraction form
    2,923.30/4,380.15 = 2,433.70/x
  3. Step 3: Cross multiply
    2,923.30x = 4,380.15 × 2,433.70
  4. Step 4: Simplify right side
    2,923.30x = 10,659,971.06
  5. Step 5: Solve for x
    x = 10,659,971.06/2,923.30
  6. Step 6: Final answer
    x = 3,646.55

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1.5x scale

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.