Home / 3,205.28-4,423.44-1,808

Finding the Fourth Proportional to 3,205.28, 4,423.44 and 1,808

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Solution

The fourth proportional to 3,205.28, 4,423.44 and 1,808 is: 2,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.28 : 4,423.44 = 1,808 : x
  2. Step 2: Convert to fraction form
    3,205.28/4,423.44 = 1,808/x
  3. Step 3: Cross multiply
    3,205.28x = 4,423.44 × 1,808
  4. Step 4: Simplify right side
    3,205.28x = 7,997,579.52
  5. Step 5: Solve for x
    x = 7,997,579.52/3,205.28
  6. Step 6: Final answer
    x = 2,495.13

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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.