Home / 3,434.48-4,772.46-3,398.80

Finding the Fourth Proportional to 3,434.48, 4,772.46 and 3,398.80

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Solution

The fourth proportional to 3,434.48, 4,772.46 and 3,398.80 is: 4,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.48 : 4,772.46 = 3,398.80 : x
  2. Step 2: Convert to fraction form
    3,434.48/4,772.46 = 3,398.80/x
  3. Step 3: Cross multiply
    3,434.48x = 4,772.46 × 3,398.80
  4. Step 4: Simplify right side
    3,434.48x = 16,220,637.05
  5. Step 5: Solve for x
    x = 16,220,637.05/3,434.48
  6. Step 6: Final answer
    x = 4,722.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.