Home / 3,350.80-5,029.40-2,864.40

Finding the Fourth Proportional to 3,350.80, 5,029.40 and 2,864.40

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Solution

The fourth proportional to 3,350.80, 5,029.40 and 2,864.40 is: 4,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.80 : 5,029.40 = 2,864.40 : x
  2. Step 2: Convert to fraction form
    3,350.80/5,029.40 = 2,864.40/x
  3. Step 3: Cross multiply
    3,350.80x = 5,029.40 × 2,864.40
  4. Step 4: Simplify right side
    3,350.80x = 14,406,213.36
  5. Step 5: Solve for x
    x = 14,406,213.36/3,350.80
  6. Step 6: Final answer
    x = 4,299.34

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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.