Home / 3,257.60-4,495.56-1,860.80

Finding the Fourth Proportional to 3,257.60, 4,495.56 and 1,860.80

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Solution

The fourth proportional to 3,257.60, 4,495.56 and 1,860.80 is: 2,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.60 : 4,495.56 = 1,860.80 : x
  2. Step 2: Convert to fraction form
    3,257.60/4,495.56 = 1,860.80/x
  3. Step 3: Cross multiply
    3,257.60x = 4,495.56 × 1,860.80
  4. Step 4: Simplify right side
    3,257.60x = 8,365,338.05
  5. Step 5: Solve for x
    x = 8,365,338.05/3,257.60
  6. Step 6: Final answer
    x = 2,567.95

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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.