Home / 3,438.44-5,157.75-1,591.10

Finding the Fourth Proportional to 3,438.44, 5,157.75 and 1,591.10

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Solution

The fourth proportional to 3,438.44, 5,157.75 and 1,591.10 is: 2,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.44 : 5,157.75 = 1,591.10 : x
  2. Step 2: Convert to fraction form
    3,438.44/5,157.75 = 1,591.10/x
  3. Step 3: Cross multiply
    3,438.44x = 5,157.75 × 1,591.10
  4. Step 4: Simplify right side
    3,438.44x = 8,206,496.03
  5. Step 5: Solve for x
    x = 8,206,496.03/3,438.44
  6. Step 6: Final answer
    x = 2,386.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.