Home / 3,239.44-4,859.18-1,291.64

Finding the Fourth Proportional to 3,239.44, 4,859.18 and 1,291.64

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Solution

The fourth proportional to 3,239.44, 4,859.18 and 1,291.64 is: 1,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.44 : 4,859.18 = 1,291.64 : x
  2. Step 2: Convert to fraction form
    3,239.44/4,859.18 = 1,291.64/x
  3. Step 3: Cross multiply
    3,239.44x = 4,859.18 × 1,291.64
  4. Step 4: Simplify right side
    3,239.44x = 6,276,311.26
  5. Step 5: Solve for x
    x = 6,276,311.26/3,239.44
  6. Step 6: Final answer
    x = 1,937.47

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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.