Home / 3,453.39-4,765.55-1,881.50

Finding the Fourth Proportional to 3,453.39, 4,765.55 and 1,881.50

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Solution

The fourth proportional to 3,453.39, 4,765.55 and 1,881.50 is: 2,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.39 : 4,765.55 = 1,881.50 : x
  2. Step 2: Convert to fraction form
    3,453.39/4,765.55 = 1,881.50/x
  3. Step 3: Cross multiply
    3,453.39x = 4,765.55 × 1,881.50
  4. Step 4: Simplify right side
    3,453.39x = 8,966,349.09
  5. Step 5: Solve for x
    x = 8,966,349.09/3,453.39
  6. Step 6: Final answer
    x = 2,596.39

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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.