Home / 3,438.26-5,159.62-1,246.80

Finding the Fourth Proportional to 3,438.26, 5,159.62 and 1,246.80

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Solution

The fourth proportional to 3,438.26, 5,159.62 and 1,246.80 is: 1,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.26 : 5,159.62 = 1,246.80 : x
  2. Step 2: Convert to fraction form
    3,438.26/5,159.62 = 1,246.80/x
  3. Step 3: Cross multiply
    3,438.26x = 5,159.62 × 1,246.80
  4. Step 4: Simplify right side
    3,438.26x = 6,433,014.22
  5. Step 5: Solve for x
    x = 6,433,014.22/3,438.26
  6. Step 6: Final answer
    x = 1,871.01

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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.