Home / 3,955.94-5,459.73-2,277.30

Finding the Fourth Proportional to 3,955.94, 5,459.73 and 2,277.30

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Solution

The fourth proportional to 3,955.94, 5,459.73 and 2,277.30 is: 3,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.94 : 5,459.73 = 2,277.30 : x
  2. Step 2: Convert to fraction form
    3,955.94/5,459.73 = 2,277.30/x
  3. Step 3: Cross multiply
    3,955.94x = 5,459.73 × 2,277.30
  4. Step 4: Simplify right side
    3,955.94x = 12,433,443.13
  5. Step 5: Solve for x
    x = 12,433,443.13/3,955.94
  6. Step 6: Final answer
    x = 3,142.98

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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.