Home / 3,205.43-4,423.47-1,860.56

Finding the Fourth Proportional to 3,205.43, 4,423.47 and 1,860.56

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Solution

The fourth proportional to 3,205.43, 4,423.47 and 1,860.56 is: 2,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.43 : 4,423.47 = 1,860.56 : x
  2. Step 2: Convert to fraction form
    3,205.43/4,423.47 = 1,860.56/x
  3. Step 3: Cross multiply
    3,205.43x = 4,423.47 × 1,860.56
  4. Step 4: Simplify right side
    3,205.43x = 8,230,131.34
  5. Step 5: Solve for x
    x = 8,230,131.34/3,205.43
  6. Step 6: Final answer
    x = 2,567.56

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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.