Home / 3,220.40-4,444.17-1,893.80

Finding the Fourth Proportional to 3,220.40, 4,444.17 and 1,893.80

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Solution

The fourth proportional to 3,220.40, 4,444.17 and 1,893.80 is: 2,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.40 : 4,444.17 = 1,893.80 : x
  2. Step 2: Convert to fraction form
    3,220.40/4,444.17 = 1,893.80/x
  3. Step 3: Cross multiply
    3,220.40x = 4,444.17 × 1,893.80
  4. Step 4: Simplify right side
    3,220.40x = 8,416,369.15
  5. Step 5: Solve for x
    x = 8,416,369.15/3,220.40
  6. Step 6: Final answer
    x = 2,613.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.