Home / 3,152.87-4,729.29-1,074.36

Finding the Fourth Proportional to 3,152.87, 4,729.29 and 1,074.36

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Solution

The fourth proportional to 3,152.87, 4,729.29 and 1,074.36 is: 1,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.87 : 4,729.29 = 1,074.36 : x
  2. Step 2: Convert to fraction form
    3,152.87/4,729.29 = 1,074.36/x
  3. Step 3: Cross multiply
    3,152.87x = 4,729.29 × 1,074.36
  4. Step 4: Simplify right side
    3,152.87x = 5,080,973.71
  5. Step 5: Solve for x
    x = 5,080,973.71/3,152.87
  6. Step 6: Final answer
    x = 1,611.54

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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.