Home / 3,348.24-5,020.20-2,864.40

Finding the Fourth Proportional to 3,348.24, 5,020.20 and 2,864.40

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Solution

The fourth proportional to 3,348.24, 5,020.20 and 2,864.40 is: 4,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.24 : 5,020.20 = 2,864.40 : x
  2. Step 2: Convert to fraction form
    3,348.24/5,020.20 = 2,864.40/x
  3. Step 3: Cross multiply
    3,348.24x = 5,020.20 × 2,864.40
  4. Step 4: Simplify right side
    3,348.24x = 14,379,860.88
  5. Step 5: Solve for x
    x = 14,379,860.88/3,348.24
  6. Step 6: Final answer
    x = 4,294.75

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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.