Home / 3,406.07-5,106.69-1,324.32

Finding the Fourth Proportional to 3,406.07, 5,106.69 and 1,324.32

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Solution

The fourth proportional to 3,406.07, 5,106.69 and 1,324.32 is: 1,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.07 : 5,106.69 = 1,324.32 : x
  2. Step 2: Convert to fraction form
    3,406.07/5,106.69 = 1,324.32/x
  3. Step 3: Cross multiply
    3,406.07x = 5,106.69 × 1,324.32
  4. Step 4: Simplify right side
    3,406.07x = 6,762,891.70
  5. Step 5: Solve for x
    x = 6,762,891.70/3,406.07
  6. Step 6: Final answer
    x = 1,985.54

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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.