Home / 3,958.53-5,460.87-2,615.55

Finding the Fourth Proportional to 3,958.53, 5,460.87 and 2,615.55

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Solution

The fourth proportional to 3,958.53, 5,460.87 and 2,615.55 is: 3,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.53 : 5,460.87 = 2,615.55 : x
  2. Step 2: Convert to fraction form
    3,958.53/5,460.87 = 2,615.55/x
  3. Step 3: Cross multiply
    3,958.53x = 5,460.87 × 2,615.55
  4. Step 4: Simplify right side
    3,958.53x = 14,283,178.53
  5. Step 5: Solve for x
    x = 14,283,178.53/3,958.53
  6. Step 6: Final answer
    x = 3,608.20

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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.