Home / 3,955.55-5,459.21-2,276.93

Finding the Fourth Proportional to 3,955.55, 5,459.21 and 2,276.93

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Solution

The fourth proportional to 3,955.55, 5,459.21 and 2,276.93 is: 3,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.55 : 5,459.21 = 2,276.93 : x
  2. Step 2: Convert to fraction form
    3,955.55/5,459.21 = 2,276.93/x
  3. Step 3: Cross multiply
    3,955.55x = 5,459.21 × 2,276.93
  4. Step 4: Simplify right side
    3,955.55x = 12,430,239.03
  5. Step 5: Solve for x
    x = 12,430,239.03/3,955.55
  6. Step 6: Final answer
    x = 3,142.48

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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.