Home / 3,574.82-5,350.89-3,438.74

Finding the Fourth Proportional to 3,574.82, 5,350.89 and 3,438.74

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Solution

The fourth proportional to 3,574.82, 5,350.89 and 3,438.74 is: 5,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.82 : 5,350.89 = 3,438.74 : x
  2. Step 2: Convert to fraction form
    3,574.82/5,350.89 = 3,438.74/x
  3. Step 3: Cross multiply
    3,574.82x = 5,350.89 × 3,438.74
  4. Step 4: Simplify right side
    3,574.82x = 18,400,319.48
  5. Step 5: Solve for x
    x = 18,400,319.48/3,574.82
  6. Step 6: Final answer
    x = 5,147.20

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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.