Home / 3,955.25-5,458.34-2,560.43

Finding the Fourth Proportional to 3,955.25, 5,458.34 and 2,560.43

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Solution

The fourth proportional to 3,955.25, 5,458.34 and 2,560.43 is: 3,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.25 : 5,458.34 = 2,560.43 : x
  2. Step 2: Convert to fraction form
    3,955.25/5,458.34 = 2,560.43/x
  3. Step 3: Cross multiply
    3,955.25x = 5,458.34 × 2,560.43
  4. Step 4: Simplify right side
    3,955.25x = 13,975,697.49
  5. Step 5: Solve for x
    x = 13,975,697.49/3,955.25
  6. Step 6: Final answer
    x = 3,533.45

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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.