Home / 3,947.54-5,442.58-2,795.25

Finding the Fourth Proportional to 3,947.54, 5,442.58 and 2,795.25

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Solution

The fourth proportional to 3,947.54, 5,442.58 and 2,795.25 is: 3,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.54 : 5,442.58 = 2,795.25 : x
  2. Step 2: Convert to fraction form
    3,947.54/5,442.58 = 2,795.25/x
  3. Step 3: Cross multiply
    3,947.54x = 5,442.58 × 2,795.25
  4. Step 4: Simplify right side
    3,947.54x = 15,213,364.76
  5. Step 5: Solve for x
    x = 15,213,364.76/3,947.54
  6. Step 6: Final answer
    x = 3,853.89

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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.