Home / 3,200.43-4,416.60-1,803.18

Finding the Fourth Proportional to 3,200.43, 4,416.60 and 1,803.18

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Solution

The fourth proportional to 3,200.43, 4,416.60 and 1,803.18 is: 2,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.43 : 4,416.60 = 1,803.18 : x
  2. Step 2: Convert to fraction form
    3,200.43/4,416.60 = 1,803.18/x
  3. Step 3: Cross multiply
    3,200.43x = 4,416.60 × 1,803.18
  4. Step 4: Simplify right side
    3,200.43x = 7,963,924.79
  5. Step 5: Solve for x
    x = 7,963,924.79/3,200.43
  6. Step 6: Final answer
    x = 2,488.39

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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.