Home / 3,956.04-5,459.70-2,277.60

Finding the Fourth Proportional to 3,956.04, 5,459.70 and 2,277.60

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Solution

The fourth proportional to 3,956.04, 5,459.70 and 2,277.60 is: 3,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.04 : 5,459.70 = 2,277.60 : x
  2. Step 2: Convert to fraction form
    3,956.04/5,459.70 = 2,277.60/x
  3. Step 3: Cross multiply
    3,956.04x = 5,459.70 × 2,277.60
  4. Step 4: Simplify right side
    3,956.04x = 12,435,012.72
  5. Step 5: Solve for x
    x = 12,435,012.72/3,956.04
  6. Step 6: Final answer
    x = 3,143.30

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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.